Details:

Alternative Title:
Emerg Infect Dis
Personal Author:
Morgan, Oliver W. ; Parks, Sharyn ; Shim, Trudi ; Blevins, Patricia A. ; Lucas, Pauline M. ; ... More +
Morgan, Oliver W. ; Parks, Sharyn ; Shim, Trudi ; Blevins, Patricia A. ; Lucas, Pauline M. ; Sanchez, Roger ; Walea, Nancy ; Loustalot, Fleetwood ; Duffy, Mark R. ; Shim, Matthew J. ; Guerra, Sandra ; Guerra, Fernando ; Mills, Gwen ; Verani, Jennifer ; Alsip, Bryan ; Lindstrom, Stephen ; Shu, Bo ; Emery, Shannon ; Cohen, Adam L. ; Menon, Manoj ; Fry, Alicia M. ; Dawood, Fatimah ; Fonseca, Vincent P. ; Olsen, Sonja J. Less -
Description:
To assess household transmission of pandemic (H1N1) 2009 in San Antonio, Texas, USA, during April 15-May 8, 2009, we investigated 77 households. The index case-patient was defined as the household member with the earliest onset date of symptoms of acute respiratory infection (ARI), influenza-like illness (ILI), or laboratory-confirmed pandemic (H1N1) 2009. Median interval between illness onset in index and secondary case-patients was 4 days (range 1-9 days); the index case-patient was likely to be < or =18 years of age (p = 0.034). The secondary attack rate was 4% for pandemic (H1N1) 2009, 9% for ILI, and 13% for ARI. The secondary attack rate was highest for children <5 years of age (8%-19%) and lowest for adults > or =50 years of age (4%-12%). Early in the outbreak, household transmission primarily occurred from children to other household members and was lower than the transmission rate for seasonal influenza.
Subjects:
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Adolescent Adult Age Factors Antiviral Agents Child Child, Preschool Disease Outbreaks Family Characteristics Female Humans Infectious Disease Incubation Period Influenza, Human Influenza A Virus, H1N1 Subtype Male Middle Aged Oseltamivir Research Young Adult
Source:
Emerg Infect Dis. 16(4):631-637.
Document Type:
Journal Article
Place as Subject:
Texas
Location:
North America
Collection(s):
Emerging Infectious Diseases
Main Document Checksum:
[+]
urn:sha256:5dbbb4fbef23441db04344501d8caa92da0196c4ffe8f24181f1e228690dbddf
Download URL:
https://stacks.cdc.gov/view/cdc/7944/cdc_7944_DS1.pdf
File Type:

Supporting Files

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