Volume 28, Number 7—July 2022
Natural Reassortment of Eurasian Avian-Like Swine H1N1 and Avian H9N2 Influenza Viruses in Pigs, China
|Year and month||No. nasal swabs||No. virus isolates||Isolation rate, %|
*All H3N2; pigs were imported from 2 provinces in southern China. †H1N1, pig was from imported from a province in southern China.
1These authors contributed equally to this article.