Flu' is caused by:

All of the us who have suffered the ill effects of common cold or 'flu' it is caused by

All of the us who have suffered the ill effects of common cold or 'flu' it is caused by

Bird flu and swine flu are caused by….

The disease caused caused by virus is:

Among the common cold (flu), mumps, small pox, herpes, influenza and AIDS, how many diseases are caused by viruses in humans ?

Assertion Flu is a bacterial disease. Reason Flu viruses are animal retroviruses.