3 different swine flu strains on pig farms

3 separate strains of influenza A virus (IAV) have been detected in animal and environmental samples taken from 6 swine farms in US states of Minnesota and Iowa with suspected flu outbreaks. This was reported in a study by researchers from the University of Minnesota, USA, published in the scientific journal PLoS One. Indirect transmission is poorly understood In their motivation, the researchers write, “Indirect transmission of influenza A virus (IAV) in swine is poorly understood and in