CDC: Key Facts about Swine Influenza (Swine Flu)
Key Facts about Swine Influenza (Swine Flu): “Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza virus that regularly causes outbreaks of influenza in pigs. Swine flu viruses cause high levels of illness and low death rates in pigs. Swine influenza viruses may circulate among swine throughout the year, …