Chongqiang Huang, Liangzheng Yu, Yi Xu, Jiamo Huang, Yibin Qin, Xuan Guo, Yongfang Zeng, Yifeng Qin, Kang Ouyang, Zuzhang Wei, Weijian Huang, Adolfo García-Sastre, Ying Chen
Abstract Influenza A viruses (IAVs) pose a persistent potential threat to human health because of the spillover from avian and swine infections. Extensive surveillance was performed in 12 cities of Guangxi, China, during 2018 and 2023. A total of 2,540 samples (including 2,353 nasal swabs and 187 lung tissues) were collected from 18 pig farms with outbreaks of respiratory disease. From these, 192 IAV-positive samples and 19 genomic sequences were obtained. We found that the H1 and H3 swine influenza A viruses (swIAVs) of multiple lineages and genotypes have continued to co-cirulate during that time in this region...
April 4, 2024: Emerging Microbes & Infections