H5N1 An Influenza has not become an epidemic till now. What is the most impoant reason for this?
An influenza refers to a large group of different influenza virus that primarly affect birds. The vast majority of an influenza viruses donot infect humans. However an H5N1 is a strain with pandemic potential, since it might ultimately adapt in to a strain that is contagious among human.As this has not occured it cannot become an epidemic.Founately H5N1 virus doesn&;t jump from birds to humans of spread readily and sustainably among humans. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 166
Seen only in wild birds and not in domestic poultry
It has an influenza genes
Human to Human transmission is rare
It causes serious illness leading to death of the patient
Communicable diseases