What Is H9 Virus?
Avian Influenza A (H9) Viruses A(H9N2) virus has been detected in bird populations in Asia, Europe, the Middle East and Africa. Sporadic avian influenza A(H9N2) virus infections have been reported in people with mild upper respiratory tract illness, although some infections have resulted in death. What are the types of influenza? There are four types … Read more