Volume 28, Number 10—October 2022
Shortening Duration of Swine Exhibitions to Reduce Risk for Zoonotic Transmission of Influenza A Virus
|No. swine exhibited at fair||No. samples collected||HA–NA subtypes||No. swine exhibited at fair||No. samples collected||HA–NA subtypes|
|Fair A||377||1,927||H1N1, H3N2, mixed||400||2,092||H1N2, H3N2, mixed|
|Fair B||424||2,741||H1N1, H3N2, mixed||414||2,719||H3N2|
*The number of swine exhibited at fair refers to the total number of individual pigs enrolled in the study. The number of samples collected is the total number of nasal wipes collected during the entire fair. The HA-NA subtypes we isolated are included for the IAV-positive fairs. HA, hemagglutinin; IAV, influenza A virus; NA, neuraminidase.