Pandemic H1N1 virus transmission and shedding dynamics in index case households of a prospective Vietnamese cohort
Pandemic H1N1 virus transmission and shedding dynamics in index case households of a prospective Vietnamese cohort
Influenza household transmission studies are required to guide prevention strategies but most passively recruit index cases that seek healthcare. We investigated A(H1N1)pdm09 transmission in a household-based cohort during 2009.Health-workers visited 270 households weekly, and collected swabs from influenza-like-illness cases. If A(H1N1)pdm09 was RT-PCR-confirmed, all household members had symptoms assessed and …