Why Swine flu is spreading deadly ?
Its been seen that in 2015 ,swine flu is spreading like fire and the deadly virus is taking more lives day by day .Till date nearly……
Its been seen that in 2015 ,swine flu is spreading like fire and the deadly virus is taking more lives day by day .Till date nearly……
1. Swine flu is actually a respiratory disease caused by Swine Influenza A virus which was infected mainly in pigs respiratory tract……