Avian Influenza: Spread, Transmission, Symptoms
The pathogens causing avian influenza belong to the influenza virus strain and some of them can also be dangerous to humans. The disease was first observed as “European avian influenza” in Italy in 1878. After major waves of infection in Germany in 2006 and 2009, isolated cases of a new virus type (H5N5) have been … Avian Influenza: Spread, Transmission, Symptoms