Effectiveness of nonadjuvanted monovalent influenza A(H1N1)pdm09 vaccines for preventing reverse transcription polymerase chain reaction-confirmed pandemic influenza hospitalizations: case-control study of children and adults at 10 US influenza surveillance network sites.
case_control · Level III
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- Record sourced from PubMed, PMID 23956169.
- Also identified by DOI 10.1093/cid/cit551 and PMC identifier 7314184.
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Abstract
During 2009-2010, we examined 217 patients hospitalized with laboratory-confirmed pandemic influenza in 9 Influenza Hospitalization Surveillance Network sites and 413 age- and community-matched controls and found that a single dose of monovalent nonadjuvanted influenza A(H1N1)pdm09 vaccine was 50% (95% confidence interval, 13%-71%) effective in preventing hospitalization associated with A(H1N1)pdm09 virus infection.
Medical subject headings
- Influenza A Virus, H1N1 Subtype
- Influenza Vaccines
- Influenza, Human