4. Orthomyxoviridae: Influenza's Deadlier Cousins From avian influenza to seasonal flu, this family has repeatedly demonstrated its pandemic potential. Human bird flu outbreaks have already ...

Influenza A viruses are negative-strand RNA viruses (order Mononegavirales) belonging to the family Orthomyxoviridae and are the causative agents of annual epidemics and occasional pandemics of ...