pigs

(Newser) - Canadian officials quarantined a pig herd in Alberta today, saying a worker who had visited Mexico apparently infected the swine with H1N1, the Calgary Herald reports. But health officers are playing down what may be the first case of person infecting a pig with swine flu. “The chance that...

(Newser) - People, pigs, and birds aren’t alone in their influenza woes. Horses, whales, and seals catch the virus, but scientists think all flu is actually avian flu, explains Brian Palmer in Slate. Birds carry each of the 144 types of influenza, which is able to jump species by mutating to...