Household Transmission of 2009 Influenza A (H1N1) Virus after a School-Based Outbreak in New York City, April–May 2009
France AM, Jackson M, Schrag S, Lynch M, Zimmerman C, Biggerstaff M, Hadler J. Household Transmission of 2009 Influenza A (H1N1) Virus after a School-Based Outbreak in New York City, April–May 2009. The Journal Of Infectious Diseases 2010, 201: 984-992. PMID: 20187740, DOI: 10.1086/651145.Peer-Reviewed Original ResearchConceptsInfluenza-like illnessIndex case patientsInfluenza A virusesHousehold contactsCase patientsHousehold transmissionRisk of ILIPandemic influenza A (H1N1) virusA virusDays of onsetPercent of casesYears of ageExtent of transmissionAntiviral prophylaxisPH1N1 transmissionRisk factorsAdditional protective factorsHigh riskMultivariate analysisOlder ageProtective factorsIllnessIll studentsPatientsContact group