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Clinical manifestations of invasive pneumococcal disease by vaccine and non-vaccine types

Browall, Sarah (author)
Karolinska Institutet,Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
Backhaus, Erik (author)
Department of Infectious Diseases, Skaraborg Hospital, Skövde, Sweden
Naucler, Pontus (author)
Karolinska Institutet,Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden / Department of Infectious Diseases, Karolinska University Hospital, Solna, Sweden
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Galanis, Ilias (author)
Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
Sjöström, Karin (author)
Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
Karlsson, Diana, 1975- (author)
Högskolan i Skövde,Institutionen för biovetenskap,Forskningscentrum för Systembiologi,Infektionsbiologi, Infection Biology
Berg, Stefan, 1959 (author)
Queen Silvia Children’s Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
Luthander, Joachim (author)
Karolinska Institutet,Department of Paediatrics, Karolinska University Hospital, Solna, Sweden
Eriksson, Margareta (author)
Department of Paediatrics, Karolinska University Hospital, Solna, Sweden
Spindler, Carl (author)
Karolinska Institutet,Department of Infectious Diseases, Karolinska University Hospital, Solna, Sweden
Ejdebäck, Mikael (author)
Högskolan i Skövde,Institutionen för biovetenskap,Forskningscentrum för Systembiologi,Infektionsbiologi, Infection Biology
Trollfors, Birger, 1947 (author)
Queen Silvia Children’s Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
Darenberg, Jessica (author)
Public Health Agency of Sweden, Solna, Sweden
Kalin, Mats (author)
Karolinska Institutet,Department of Infectious Diseases, Karolinska University Hospital, Solna, Sweden
Örtqvist, Åke (author)
Karolinska Institutet,Department of Communicable Diseases Control and Prevention, Stockholm County Council, Stockholm, Sweden / Department of Medicine, Unit of Infectious Diseases, Karolinska Institutet, Solna, Sweden
Andersson, Rune, 1951 (author)
Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Institute of Biomedicine, Department of Infectious Medicine,Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
Henriques-Normark, Birgitta (author)
Karolinska Institutet,Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden Dept of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
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 (creator_code:org_t)
2014-10-16
2014
English.
In: European Respiratory Journal. - : European Respiratory Society. - 0903-1936 .- 1399-3003. ; 44:6, s. 1646-1657
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Pneumococcal conjugated vaccines (PCVs) have shown protection against invasive pneumococcal disease by vaccine serotypes, but an increase in non-vaccine serotype disease has been observed. Type-specific effects on clinical manifestation need to be explored.Clinical data from 2096 adults and 192 children with invasive pneumococcal disease were correlated to pneumococcal molecular serotypes. Invasive disease potential for pneumococcal serotypes were calculated using 165 invasive and 550 carriage isolates from children.The invasive disease potential was lower for non-PCV13 compared to vaccine-type strains. Patients infected with non-PCV13 strains had more underlying diseases, were less likely to have pneumonia and, in adults, tended to have a higher mortality. Furthermore, patients infected with pneumococci belonging to clonal serotypes only expressing non-PCV13 capsules had a higher risk for septicaemia and mortality.PCV vaccination will probably lead to a decrease in invasive pneumococcal disease but an alteration in the clinical manifestation of invasive pneumococcal disease. Genetic lineages causing invasive pneumococcal disease in adults often express non-vaccine serotypes, which can expand after vaccination with an increased risk of infection in patients with underlying diseases.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Infectious Medicine (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Pediatrik (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Pediatrics (hsv//eng)

Keyword

Natural sciences
Naturvetenskap
Infection Biology
Infektionsbiologi

Publication and Content Type

ref (subject category)
art (subject category)

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