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.
Subject:
[+]
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;
Collection(s):
Emerging Infectious Diseases
Main Document Checksum:
[+]
urn:sha256:5dbbb4fbef23441db04344501d8caa92da0196c4ffe8f24181f1e228690dbddf
File Type:

Supporting Files

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