Åke Örtqvist

Publications
Public outreach and news

Articles

Article: VACCINE. 2020;38(32):4988-4995
Cost-effectiveness of pneumococcal vaccination for elderly in Sweden
Wolff E; Storsaeter J; Ortqvist A; Naucler P; Larsson S; Lepp T; Roth A
Article: JOURNAL OF INTERNAL MEDICINE. 2019;286(6):689-701
The changing epidemiology of community-acquired pneumonia: nationwide register-based study in Sweden
Naucler P; Henriques-Normark B; Hedlund J; Galanis I; Granath F; Ortqvist A
Article: EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY AND INFECTIOUS DISEASES. 2019;38(12):2221-2228
Epidemiology and control of meticillin-resistant Staphylococcus aureus in Stockholm County, Sweden, 2000 to 2016: overview of a "search-and-contain" strategy
Eriksson BKG; Thollstrom U-B; Nederby-Ohd J; Ortqvist A
Article: PEDIATRIC SURGERY INTERNATIONAL. 2019;35(3):373-381
Clinical presentation of intussusception in Swedish children under 3 years of age and the validity of diagnostic coding
Ask LS; Svensson JF; Olen O; Ortqvist A
Article: AMERICAN JOURNAL OF INFECTION CONTROL. 2018;46(12):1394-1399
Experiences and consequences of living with extended-spectrum β-lactamase-producing bacteria: A qualitative study
Wiklund S; Ortovist A; Berlin A; Stamm C; Broliden K
Article: VACCINE. 2018;36(37):5556-5564
Impact of repeated influenza vaccinations in persons over 65 years of age: A large population-based cohort study of severe influenza over six consecutive seasons, 2011/12-2016/17
Ortqvist A; Brytting M; Leval A; Hergens M-P
Article: JOURNAL OF CHILD HEALTH CARE. 2017;21(4):476-487
Parental conceptions of the rotavirus vaccine during implementation in Stockholm: A phenomenographic study
Sjogren E; Ask LS; Ortqvist A; Asp M
Article: CLINICAL INFECTIOUS DISEASES. 2017;65(11):1780-1789
Comparison of the Impact of Pneumococcal Conjugate Vaccine 10 or Pneumococcal Conjugate Vaccine 13 on Invasive Pneumococcal Disease in Equivalent Populations (Publication with Expression of Concern. See vol. 68, pg. 534, 2019)
Naucler P; Galanis I; Morfeldt E; Darenberg J; Ortqvist A; Henriques-Normark B
Article: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2017;106(8):1309-1316
Receiving early information and trusting Swedish child health centre nurses increased parents' willingness to vaccinate against rotavirus infections
Ask LS; Hjern A; Lindstrand A; Olen O; Sjogren E; Blennow M; Ortqvist A
Article: EUROSURVEILLANCE. 2017;22(8):30469-42
Mid-season real-time estimates of seasonal influenza vaccine effectiveness in persons 65 years and older in register-based surveillance, Stockholm County, Sweden, and Finland, January 2017
Hergens M; Baum U; Brytting M; Ikonen N; Haveri A; Wiman A; Nohynek H; Ortqvist A
Article: ANNALS OF INTERNAL MEDICINE. 2016;165(12):848-855
Risk for Congenital Malformation With H1 N1 Influenza Vaccine A Cohort Study With Sibling Analysis
Ludvigsson JF; Strom P; Lundholm C; Cnattingius S; Ekbom A; Ortqvist A; Feltelius N; Granath F; Stephansson O
Article: EUROSURVEILLANCE. 2016;21(43):17-28
Real-time real-world analysis of seasonal influenza vaccine effectiveness: method development and assessment of a population-based cohort in Stockholm County, Sweden, seasons 2011/12 to 2014/15
Leval A; Hergens MP; Persson K; Ortqvist A
Article: VACCINE. 2016;34(38):4565-4571
Unaltered pneumococcal carriage prevalence due to expansion of non-vaccine types of low invasive potential 8 years after vaccine introduction in Stockholm, Sweden
Lindstrand A; Galanis I; Darenberg J; Morfeldt E; Naucler P; Blennow M; Alfven T; Henriques-Normark B; Ortqvist A
Article: VACCINE. 2016;34(28):3298-3302
Influenza epidemiology among hospitalized children in Stockholm, Sweden 1998-2014
Bennet R; Hamrin J; Wirgart BZ; Ostlund MR; Ortqvist A; Eriksson M
Article: EUROPEAN RESPIRATORY JOURNAL. 2016;47(4):1208-1218
Effects of PCV7 and PCV13 on invasive pneumococcal disease and carriage in Stockholm, Sweden
Galanis I; Lindstrand A; Darenberg J; Browall S; Nannapaneni P; Sjostrom K; Morfeldt E; Naucler P; Blennow M; Ortqvist A; Henriques-Normark B
Article: INTERNATIONAL JOURNAL OF QUALITATIVE STUDIES ON HEALTH & WELL-BEING. 2016;11:32378
Acquisition of extended spectrum β-lactamases during travel abroad-A qualitative study among Swedish travellers examining their knowledge, risk assessment, and behaviour
Wiklund S; Fagerberg I; Ortqvist A; Broliden K; Tammelin A
Article: AMERICAN JOURNAL OF INFECTION CONTROL. 2015;43(12):1302-1309
Staff experiences of caring for patients with extended-spectrum β-lactamase-producing bacteria: A qualitative study
Wiklund S; Fagerberg I; Ortqvist A; Broliden K; Tammelin A
Article: THE BMJ. 2015;351:h5585
Maternal vaccination against H1N1 influenza and offspring mortality: population based cohort study and sibling design
Ludvigsson JF; Strom P; Lundholm C; Cnattingius S; Ekbom A; Ortqvist A; Feltelius N; Granath F; Stephansson O
Article: THORAX. 2015;70(9):847-853
Respiratory viruses associated with community-acquired pneumonia in children: matched case-control study
Rhedin S; Lindstrand A; Hjelmgren A; Ryd-Rinder M; Ohrmalm L; Tolfvenstam T; Ortqvist A; Rotzen-Ostlund M; Zweygberg-Wirgart B; Henriques-Normark B; Broliden K; Naucler P
Article: VACCINE. 2015;33(22):2558-2561
Long term effectiveness of adjuvanted influenza A(H1N1)pdm09 vaccine in children
Ortqvist A; Bennet R; Hamrin J; Rinder MR; Lindblad H; Ohd JN; Eriksson M
Article: SCANDINAVIAN JOURNAL OF PUBLIC HEALTH. 2015;43(3):302-308
Knowledge and understanding of antibiotic resistance and the risk of becoming a carrier when travelling abroad: A qualitative study of Swedish travellers
Wiklund S; Fagerberg I; Ortqvist A; Vading M; Giske CG; Broliden K; TAmmelin A
Article: EUROPEAN RESPIRATORY JOURNAL. 2014;44(6):1646-1657
Clinical manifestations of invasive pneumococcal disease by vaccine and non-vaccine types
Browall S; Backhaus E; Naucler P; Galanis I; Sjostrom K; Karlsson D; Berg S; Luthander J; Eriksson M; Spindler C; Ejdeback M; Trollfors B; Darenberg J; Kalin M; Ortqvist A; Andersson R; Henriques-Normark B
Article: PEDIATRICS. 2014;134(6):e1528-e1536
Sinusitis and Pneumonia Hospitalization After Introduction of Pneumococcal Conjugate Vaccine
Lindstrand A; Bennet R; Galanis I; Blennow M; Ask LS; Dennison SH; Rinder MR; Eriksson M; Henriques-Normark B; Ortqvist A; Alfven T
Article: PEDIATRICS. 2014;133(3):e538-e545
Clinical Utility of PCR for Common Viruses in Acute Respiratory Illness
Rhedin S; Lindstrand A; Rotzen-Ostlund M; Tolfvenstam T; Ohrmalm L; Rinder MR; Zweygberg-Wirgart B; Ortqvist A; Henriques-Normark B; Broliden K; Naucler P
Article: JOURNAL OF INFECTIOUS DISEASES. 2014;209(3):377-388
Intraclonal Variations Among Streptococcus pneumoniae Isolates Influence the Likelihood of Invasive Disease in Children
Browall S; Norman M; Tangrot J; Galanis I; Sjostrom K; Dagerhamn J; Hellberg C; Pathak A; Spadafina T; Sandgren A; Battig P; Franzen O; Andersson B; Ortqvist A; Normark S; Henriques-Normark B
Article: EUROPEAN JOURNAL OF EPIDEMIOLOGY (EJE). 2013;28(7):579-588
Influenza H1N1 vaccination and adverse pregnancy outcome
Ludvigsson JF; Zugna D; Cnattingius S; Richiardi L; Ekbom A; Ortqvist A; Persson I; Stephansson O
Article: THORAX. 2013;68(6):571-579
Contribution of host, bacterial factors and antibiotic treatment to mortality in adult patients with bacteraemic pneumococcal pneumonia
Naucler P; Darenberg J; Morfeldt E; Ortqvist A; Normark BH
Article: EUROSURVEILLANCE. 2013;18(15):20447-44
Prevailing effectiveness of the 2009 influenza A(H1N1) pdm09 vaccine during the 2010/11 season in Sweden
Widgren K; Magnusson M; Hagstam P; Widerstrom M; Ortqvist A; Einemo IM; Follin P; Lindblom A; Makitalo S; Wik O; Osterlund A; Grunewald M; Uhnoo I; Linde A
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2012;44(9):641-649
Prevalence of antibiotic-resistant bacteria in residents of nursing homes in a Swedish municipality: Healthcare staff knowledge of and adherence to principles of basic infection prevention
Andersson H; Lindholm C; Iversen A; Giske CG; Ortqvist A; Kalin M; Fossum B
Article: VACCINE. 2012;30(39):5699-5702
Effectiveness of the monovalent AS03-adjuvanted influenza A(H1N1)pdm09 vaccine against hospitalization in children because of influenza
Ortqvist A; Bennet R; Rinder MR; Lindblad H; Eriksson M
Article: PLOS ONE. 2012;7(12):e53511
Pandemic Influenza A(H1N1)pdm09 Seroprevalence in Sweden before and after the Pandemic and the Vaccination Campaign in 2009
Morner A; Brave A; Kling A-M; Kuhlmann-Berenzon S; Krook K; Hedenskog M; Silhammar I; Ljungman M; Ortqvist A; Andersson S; Brytting M; Thorstensson R; Linde A
Article: CLINICAL MICROBIOLOGY AND INFECTION (CMI). 2011;17 Suppl 6(Suppl 6):E1-59
Guidelines for the management of adult lower respiratory tract infections--full version.
Woodhead M; Blasi F; Ewig S; Garau J; Huchon G; Ieven M; Ortqvist A; Schaberg T; Torres A; van der Heijden G; Read R; Verheij TJM; Joint Taskforce of the European Respiratory Societ
Article: CLINICAL MICROBIOLOGY AND INFECTION (CMI). 2011;17 Suppl 6:1-24
Guidelines for the management of adult lower respiratory tract infections--summary.
Woodhead M; Blasi F; Ewig S; Garau J; Huchon G; Ieven M; Ortqvist A; Schaberg T; Torres A; van der Heijden G; Read R; Verheij TJM; Joint Taskforce of the European Respiratory Societ
Article: THE BMJ. 2011;343:d5956
Neurological and autoimmune disorders after vaccination against pandemic influenza A (H1N1) with a monovalent adjuvanted vaccine: population based cohort study in Stockholm, Sweden
Bardage C; Persson I; Ortqvist A; Bergman U; Ludvigsson JF; Granath F
Article: CLINICAL INFECTIOUS DISEASES. 2011;52(10):1203-1211
Effectiveness of an Adjuvanted Monovalent Vaccine Against the 2009 Pandemic Strain of Influenza A(H1N1)v, in Stockholm County, Sweden
Ortqvist A; Berggren I; Insulander M; de Jong B; Svenungsson B
Article: BMC HEALTH SERVICES RESEARCH. 2010;10:128
Forecasting drug utilization and expenditure in a metropolitan health region
Wettermark B; Persson ME; Wilking N; Kalin M; Korkmaz S; Hjemdahl P; Godman B; Petzold M; Gustafsson LL
Article: INTENSIVE CARE MEDICINE. 2010;36(5):773-780
A European care bundle for prevention of ventilator-associated pneumonia.
Rello J; Lode H; Cornaglia G; Masterton R; VAP Care Bundle Contributors
Article: EMERGING INFECTIOUS DISEASES. 2010;16(2):189-196
Imported Methicillin-Resistant Staphylococcus aureus, Sweden
Stenhem M; Orqvist A; Ringberg H; Larsson L; Olsson-Liljequist B; Haeggman S; Kalin M; Ekdahl K
Article: CLINICAL MICROBIOLOGY AND INFECTION (CMI). 2009;15(9):850-857
Severity of illness scoring systems in patients with bacteraemic pneumococcal pneumonia: implications for the intensive care unit care
Feldman C; Alanee S; Yu VL; Richards GA; Ortqvist A; Rello J; Chiou CCC; Chedid MBF; Wagener MM; Klugman KP
Article: EUROSURVEILLANCE. 2009;14(30):19281-22
VALIDITY OF ROUTINE SURVEILLANCE DATA: A CASE STUDY ON SWEDISH NOTIFICATIONS OF METHICILLIN-RESISTANT STAPHYLOCOCCUS AUREUS
Stenhem M; Ortqvist A; Ringberg H; Larsson L; Olsson-Liljequist B; Haeggman S; Kalin M; Ekdahl K
Article: LAKARTIDNINGEN. 2009;106(24-25):1666-1667
[Doxycycline is no antitussive agent. Antibiotics in acute bronchitis both unnecessary and risky].
Ortqvist A; Holmberg H; Norman C; Cars O
Article: LAKARTIDNINGEN. 2009;106(7):412-413
[Are MRSA-patients more contagious in some counties than others?].
Andersson H; Kalin M; Fossum B; Lindholm C; Ortqvist A
Article: VACCINE. 2008;26(43):5541-5546
Effects of a large-scale introduction of the pneumococcal polysaccharide vaccine among elderly persons in Stockholm, Sweden
Spindler C; Hedlund J; Jasir A; Normark BH; Ortqvist A
Article: LAKARTIDNINGEN. 2008;105(38):2582-2587
[Management of adult patients with community-acquired pneumonia. Evidence-based guidelines from the Swedish Infectious Diseases Association].
Strålin K; Goscinski G; Hedlund J; Lidman C; Spindler C; Ortqvist A; Holmberg H
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2008;40(9):721-729
Cost-effectiveness analysis of a universal vaccination programme with the 7-valent pneumococcal conjugate vaccine (PCV-7) in Sweden
Bergman A; Hjelmgren J; Ortqvist A; Wilsloff T; Kristiansen IS; Hogberg LD; Persson KM-S; Persson U
Article: EUROPEAN RESPIRATORY JOURNAL. 2007;30(3):414-422
Influenza vaccination and mortality:: prospective cohort study of the elderly in a large geographical area
Oertqvist A; Granath F; Askling J; Hedlund J
Article: JOURNAL OF INFECTION. 2007;55(2):125-135
Bacteraemic pneumococcal pneumonia: Impact of HIV on clinical presentation and outcome
Feldman C; Klugman KP; Yu VL; Ortqvist A; Choiu CCC; Chedid MBF; Rello J; Wagener M
Article: CLINICAL INFECTIOUS DISEASES. 2007;45(1):46-51
Association of serotypes of Streptococcus pneumoniae with disease severity and outcome in adults:: An international study
Alanee SRJ; McGee L; Jackson D; Chiou CC; Feldman C; Morris AJ; Ortqvist A; Rello J; Luna CM; Baddour LM; Ip M; Yu VL; Klugman KP
Article: EUROPEAN RESPIRATORY JOURNAL. 2006;28(4):816-823
Prognostic score systems and communityacquired bacteraemic pneumococcal pneumonia
Spindler C; Ortqvist A
Article: EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY AND INFECTIOUS DISEASES. 2006;25(8):518-521
Addition of a macrolide to a β-lactam in bacteremic pneumococcal pneumonia
Dwyer R; Ortqvist A; Aufwerber E; Henriques Normark B; Marrie TJ; Mufson MA; Torres A; Woodhead MA; Alenius M; Kalin M
Article: DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE. 2006;55(3):169-178
Quantitative detection of Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis in lower respiratory tract samples by real-time PCR
Kais M; Spindler C; Kalin M; Ortqvist A; Giske CG
Article: CLINICAL INFECTIOUS DISEASES. 2006;42(4):451-459
Clonal and capsular types decide whether pneumococci will act as a primary or opportunistic pathogen
Sjöström K; Spindler C; Ortqvist A; Kalin M; Sandgren A; Kühlmann-Berenzon S; Henriques-Normark B
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2006;38(6-7):448-450
Gram-negative bacteria from patients seeking medical advice in Stockholm after the tsunami catastrophe
Kallman O; Lundberg C; Wretlind B; Ortqvist A
Article: LAKARTIDNINGEN. 2005;102(48):3660-3665
[Rare bacteria species found in wounds of tsunami patients. Predominance of gram-negative rods, increased antibiotic resistance].
Källman O; Lundberg C; Wretlind B; Ortqvist A
Article: AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. 2004;170(4):440-444
Combination antibiotic therapy lowers mortality among severely ill patients with pneumococcal bacteremia
Baddour LM; Yu VL; Klugman KP; Feldman C; Ortqvist A; Rello J; Morris AJ; Luna CM; Snydman DR; Ko WC; Chedid MBF; Hui DS; Andremont A; Chiou CCC
Article: EUROPEAN RESPIRATORY JOURNAL. 2004;23(3):363-368
Additive preventive effect of influenza and pneumococcal vaccines in elderly persons
Christenson B; Hedlund J; Lundbergh P; Örtqvist Å
Article: VACCINE. 2003;22(1):96-103
Revaccination with the 23-valent pneumococcal polysaccharide vaccine in middle-aged and elderly persons previously treated for pneumonia
Törling J; Hedlund J; Konradsen HB; Örtqvist Å
Article: VACCINE. 2003;21(25-26):3906-3911
Effects of a large-scale intervention with influenza and 23-valent pneumococcal vaccines in elderly people:: a 1-year follow-up
Hedlund J; Christenson B; Lundbergh P; Örtqvist Å
Article: CLINICAL INFECTIOUS DISEASES. 2003;37(2):230-237
An international prospective study of pneumococcal bacteremia: Correlation with in vitro resistance, antibiotics administered, and clinical outcome
Yu VL; Chiou CCC; Feldman C; Ortqvist A; Rello J; Morris AJ; Baddour LM; Luna CM; Snydman DR; Ip M; Ko WC; Chedid MBF; Andremont A; Klugman KP
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2003;35(5):306-310
Morbidity, mortality and clinical presentation of nursing home-acquired pneumonia in a Swedish population.
Sund-Levander M; Ortqvist A; Grodzinsky E; Klefsgård O; Wahren LK
Article: EUROPEAN RESPIRATORY JOURNAL. 2002;20:40s-53s
Treatment of community-acquired lower respiratory tract infections in adults
Örtqvist Å
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2002;34(12):887-892
Management of patients with community-acquired pneumonia treated in hospital in Sweden
Hedlund J; Örtqvist Å
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2002;34(12):873-879
Limited value of routine microbiological diagnostics in patients hospitalized for community-acquired pneumonia
Lidman C; Burman LG; Lagergren Å; Örtqvist Å
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2001;33(11):848-850
Changes in serotype distribution may hamper efficacy of pneumococcal conjugate vaccines in children
Normark BH; Örtqvist Å; Kalin M; Olsson-Liljequist B; Hedlund J; Svenson SB; Källenius G
Article: VACCINE. 2001;20(1-2):164-169
Negligible adjuvant effect for antibody responses and frequent adverse events associated with IL-12 treatment in humans vaccinated with pneumococcal polysaccharide
Hedlund J; Langer B; Konradsen HB; Örtqvist Å
Article: EUROPEAN RESPIRATORY JOURNAL. 2001;18(1):184-195
Pneumococcal vaccination:: current and future issues
Örtqvist Å
Article: THE LANCET. 2001;357(9261):1008-1011
Effects of a large-scale intervention with influenza and 23-valent pneumococcal vaccines in adults aged 65 years or older:: a prospective study
Christenson B; Lundbergh P; Hedlund J; Örtqvist Å
Article: LAKARTIDNINGEN. 2000;97(45):5120-5125
[Vaccination of the elderly against pneumococcal disease is cost-efficient. Mass vaccination of all aged 65 and over is recommended].
Ortqvist A; Jönsson B; Baltussen R; Ament A
Article: CLINICAL INFECTIOUS DISEASES. 2000;31(2):444-450
Cost-effectiveness of pneumococcal vaccination of older people: a study in 5 western European countries.
Ament A; Baltussen R; Duru G; Rigaud-Bully C; de Graeve D; Ortqvist A; Jönsson B; Verhaegen J; Gaillat J; Christie P; Cifre AS; Vivas D; Loiseau C; Fedson DS
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2000;32(3):281-286
Recurrence of pneumonia in relation to the antibody response after pneumococcal vaccination in middle-aged and elderly adults
Hedlund J; Örtqvist Å; Konradsen HB; Kalin M
Article: AMERICAN JOURNAL OF MEDICINE. 1999;107(1A):44S-49S
Pneumococcal disease in Sweden: experiences and current situation.
Ortqvist A
Article: AMERICAN JOURNAL OF MEDICINE. 1999;107(1):44-49
Pneumococcal Disease in Sweden: Experiences and Current Situation
Ortqvist A
Article: THE LANCET. 1998;351(9100):399-403
Randomised trial of 23-valent pneumococcal capsular polysaccharide vaccine in prevention of pneumonia in middle-aged and elderly people
Örtqvist Å; Hedlund J; Burman L; Elbel N; Höfer M; Leinonen M; Lindblad I; Sundelöf B; Kalin M
Article: CLINICAL MICROBIOLOGY AND INFECTION (CMI). 1998;4(12):724-725
Commentary to 'Community-acquired pneumonia due to Escherichia coli' by Marrie TJ et al.
Ortqvist A
Article: MOLECULAR MICROBIOLOGY. 1997;25(5):819-829
Contribution of novel choline-binding proteins to adherence, colonization and immunogenicity of Streptococcus pneumoniae.
Rosenow C; Ryan P; Weiser JN; Johnson S; Fontan P; Ortqvist A; Masure HR
Article: SCANDINAVIAN JOURNAL OF CLINICAL AND LABORATORY INVESTIGATION. 1997;57(2):111-118
Sequential changes of inflammatory and nutritional markers in patients with community-acquired pneumonia.
Hansson LO; Hedlund JU; Ortqvist AB
Article: LAKARTIDNINGEN. 1997;94(11):963-964
[X-ray check up after pneumonia. "A healthy approach" helps in new diagnosis].
Ortqvist A; Hedlund J
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 1997;29(4):387-392
Recurrence of pneumonia in middle-aged and elderly adults after hospital-treated pneumonia: Aetiology and predisposing conditions
Hedlund J; Kalin M; Ortqvist A
Article: CHEST. 1996;110(6):1499-1506
Oral empiric treatment of community-acquired pneumonia - A multicenter, double-blind, randomized study comparing sparfloxacin with roxithromycin
Ortqvist A; Valtonen M; Cars O; Wahl M; Saikku P; Jean C; Holmen C; Werner M; Stenlund G; Danielsson A; Hagberg L; Nilsson BO; Nystrom G; Augustinsson A; Otto G; Ljungstrom L; Boman H; Hebelka M; Odenholdt I; Schonbeck C; Hjalt CA; Leinonen M; Harno K; Kyronseppa H; Mattson K; Sammalkorpi K; Riska H; Kuha R; Kiukaanniemi H; Ringdahl N
Article: AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE. 1996;154(1):124-129
Respiratory tract colonization and infection in patients with chronic tracheostomy - A one-year study in patients living at home
Harlid R; Andersson G; Frostell CG; Jorbeck HJA; Ortqvist AB
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 1996;28(2):121-123
Severe varicella pneumonia in adults in Stockholm County 1980-1989
Nilsson A; Ortqvist A
Article: ARCHIVES OF INTERNAL MEDICINE (CHICAGO, ILL. : 1908). 1995;155(13):1438-1442
Hypoalbuminemia in hospitalized patients with community-acquired pneumonia.
Hedlund JU; Hansson LO; Ortqvist AB
Article: CURRENT OPINION IN INFECTIOUS DISEASES. 1995;8(2):93-97
COMMUNITY-ACQUIRED PNEUMONIA IN ADULTS
ORTQVIST A
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 1995;27(1):32-37
SHORT-TERM AND LONG-TERM PROGNOSIS FOR MIDDLE-AGED AND ELDERLY PATIENTS HOSPITALIZED WITH COMMUNITY-ACQUIRED PNEUMONIA - IMPACT OF NUTRITIONAL AND INFLAMMATORY FACTORS
HEDLUND J; HANSSON LO; ORTQVIST A
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 1995;27(5):457-462
DIAGNOSTIC AND PROGNOSTIC VALUE OF INTERLEUKIN-6 AND C-REACTIVE PROTEIN IN COMMUNITY-ACQUIRED PNEUMONIA
ORTQVIST A; HEDLUND J; WRETLIND B; CARLSTROM A; KALIN M
Article: JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY. 1995;35(1):205-212
ANTIBIOTIC-TREATMENT OF COMMUNITY-ACQUIRED PNEUMONIA IN CLINICAL-PRACTICE - A EUROPEAN PERSPECTIVE
ORTQVIST A
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All other publications

Letter: CLINICAL INFECTIOUS DISEASES. 2018;66(10):1642-1643
Comparing the Impact of 10-Valent and 13-Valent Pneumococcal Conjugate Vaccines on Invasive Pneumococcal Disease Reply
Naucler P; Galanis I; Morfeldt E; Darenberg J; Ortqvist A; Henriques-Normark B
Letter: THE BMJ. 2016;352:i776
MATERNAL VACCINATION AGAINST H1N1 INFLUENZA AND OFFSPRING MORTALITY Concerns about study on maternal H1N1 influenza vaccination and offspring mortality Reply
Ludvigsson JF; Strom P; Lundholm C; Cnattingius S; Ekbom A; Ortqvist A; Feltelius N; Granath F; Stephansson O
Review: JOURNAL OF INTERNAL MEDICINE. 2015;278(4):335-353
A coordinated cross-disciplinary research initiative to address an increased incidence of narcolepsy following the 2009-2010 Pandemrix vaccination programme in Sweden
Feltelius N; Persson I; Ahlqvist-Rastad J; Andersson M; Arnheim-Dahlstrom L; Bergman P; Granath F; Adori C; Hokfelt T; Kuhlmann-Berenzon S; Liljestrom P; Maeurer M; Olsson T; Ortqvist A; Partinen M; Salmonson T; Zethelius B
Review: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2012;44(12):885-902
Swedish guidelines on the management of community-acquired pneumonia in immunocompetent adults-Swedish Society of Infectious Diseases 2012
Spindler C; Stralin K; Eriksson L; Hjerdt-Goscinski G; Holmberg H; Lidman C; Nilsson A; Ortqvist A; Hedlund J
Editorial comment: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2010;99(9):1287-1289
Vaccination of children - summary and conclusions from a systematic reviewThe full review can be found in Acta Paediatrica 2010; 99: s461
Silfverdal S-A; Nilsson L; Blennow M; Carlsson R-M; Hanson LA; Lindberg A; Lindquist L; Magnusson M; Norlund A; Nyren O; Olcen P; Olin P; Sawe J; Soderstrom A; Trollfors B; Ortqvist A
Review: ACTA PAEDIATRICA, INTERNATIONAL JOURNAL OF PAEDIATRICS. 2010;99(461):1-192
Vaccination of children--a systematic review.
Ortqvist Å; Blennow M; Carlsson R-M; Hanson LÅ; Lindberg A; Lindqvist L; Magnusson M; Nilsson L; Norlund A; Nyrén O; Olcén P; Olin P; Silfverdal S-A; Säwe J; Söderström A; Trollfors B
Review: JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY. 2007;60(2):206-213
Hospital-acquired pneumonia guidelines in Europe: a review of their status and future development
Mastertonl R; Craven D; Rei J; Struelens M; Frirnodt-Moller N; Chastre J; Ortqvist A; Cornagfia G; Lode'O H; Giarnarellou H; Bonten MJM; Eraksoy H; Davey P
Published conference paper: VACCINE. 2007;25(13):2445-2450
Non-response to specific serotypes likely cause for failure to 23-valent pneumococcal polysaccharide vaccine in the elderly
Ortqvist A; Henckaerts I; Hedlund J; Poolman J
Other: LAKARTIDNINGEN. 2007;104(5):350-351
[Health personnel's dress-code must combine confidence and good hygiene].
Tammelin A; Karell A-C; Nilsson P; Samuelson A; Tillman E; Ortqvist A
Published conference paper: CLINICAL MICROBIOLOGY AND INFECTION (CMI). 2006;12(4):338-344
Endocarditis and pericarditis complicating pneumococcal bacteraemia, with special reference to the adhesive abilities of pneumococci: results from a prospective study
Kan B; Ries J; Normark BH; Chang FY; Feldman C; Ko WC; Rello J; Snydman DR; Yu VL; Ortqvist A
Published conference paper: BMC INFECTIOUS DISEASES. 2006;6:30
Epidemiology of methicillin-resistant Staphylococcus aureus (MRSA) in Sweden 2000-2003, increasing incidence and regional differences
Stenhem M; Örtqvist Å; Ringberg H; Larsson L; Olsson-Liljequist B; Hæggman S; Ekdahl K
Review: EUROPEAN RESPIRATORY JOURNAL. 2005;26(6):1138-1180
Guidelines for the management of adult lower respiratory tract infections.
Woodhead M; Blasi F; Ewig S; Huchon G; Ieven M; Ortqvist A; Schaberg T; Torres A; van der Heijden G; Verheij TJM; European Respiratory Society; European Society of Clinical Microbiology and Infe
Review: SEMINARS IN RESPIRATORY AND CRITICAL CARE MEDICINE. 2005;26(6):563-574
Streptococcus pneumoniae:: Epidemiology, risk factors, and clinical features
Örtqvist Å; Hedlund J; Kalin M
Review: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2005;37(11-12):791-805
Swedish guidelines for the management of community-acquired pneumonia in immunocompetent adults
Hedlund J; Strålin K; Örtqvist Å; Holmberg H
Letter: CLINICAL INFECTIOUS DISEASES. 2004;38(5):765-766
Clinical significance of Streptococcus pneumoniae resistance reporting remains confusing -: Reply
Yu VL; Klugman KP; Ortqvist A; Baddour LM; Rello J; Feldman C
Editorial comment: EUROPEAN RESPIRATORY JOURNAL. 2003;21(2):201
Pulmonary infections: what to do when it's a bug that you do not know.
Woodhead M; Ortqvist A
Published conference paper: JOURNAL OF INFECTIOUS DISEASES. 2001;184(7):861-869
Dynamics of penicillin-susceptible clones in invasive pneumococcal disease
Normark BH; Kalin M; Örtqvist Å; Åkerlund T; Liljequist BO; Hedlund J; Svenson SB; Zhou J; Spratt BG; Normark S; Källenius G
Published conference paper: CLINICAL INFECTIOUS DISEASES. 2001;32(4):552-558
Clinical isolates of Streptococcus pneumoniae that exhibit tolerance of vancomycin
Normark BH; Novak R; Örtqvist Å; Källenius G; Tuomanen E; Normark S
Published conference paper: JOURNAL OF INFECTIOUS DISEASES. 2000;182(3):840-847
Prospective study of prognostic factors in community-acquired bacteremic pneumococcal disease in 5 countries
Kalin M; Örtqvist Å; Almela M; Aufwerber E; Dwyer R; Henriques B; Jorup C; Julander I; Marrie TJ; Mufson MA; Riquelme R; Thalme A; Torres A; Woodhead MA
Published conference paper: JOURNAL OF INFECTIOUS DISEASES. 2000;182(3):833-839
Molecular epidemiology of Streptococcus pneumoniae causing invasive disease in 5 countries
Henriques B; Kalin M; Örtqvist Å; Liljequist BO; Almela M; Marrie TJ; Mufson MA; Torres A; Woodhead MA; Svenson SB; Källenius G
Review: SEMINARS IN RESPIRATORY INFECTIONS. 1999;14(2):135-150
In-hospital management of adults who have community-acquired pneumonia.
Ortqvist A
Review: LAKARTIDNINGEN. 1999;96(11):1305-1308
[The elderly should be vaccinated against pneumococci].
Ortqvist A; Hedlund J; Kalin M
Letter: THE LANCET. 1998;351(9120):1962
Effectiveness of pneumococcal vaccine
Ortqvist A; Hedlund J; Kalin M
Letter: THE LANCET. 1998;351(9111):1284-1285
Effectiveness of pneumococcal vaccine -: Reply
Örtqvist Å; Hedlund J; Kalin M
Other: JOURNAL OF INFECTIOUS DISEASES. 1995;171(2):479-482
DIAGNOSIS OF BACTEREMIC PNEUMOCOCCAL PNEUMONIA BY AMPLIFICATION OF PNEUMOLYSIN GENE FRAGMENT IN SERUM
SALO P; ORTQVIST A; LEINONEN M
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