Having trouble logging in with Google or Microsoft?
If you're using the Google or Microsoft button to log in and receive an invalid password error, please note that we are unable to assist with those login credentials. These accounts are managed by Google and Microsoft, so any issues must be resolved directly through their account recovery tools.
We can only assist with direct logins—this means logging in by entering your username or email and password in the fields above and clicking the "Log in" button. If you created an account directly on this site (not using Google or Microsoft), we can help you reset your password via the "Lost password?" link.
Influenza, or flu, is a type of virus that causes disease in many different animals and people. A virus is a tiny germ that replicates, or copies itself, inside living cells.
There are 3 types of influenza virus: A, B, and C virus.1,6
Avian influenza, or AI, is caused by type A influenza virus.
The avian flu virus is different from the flu virus that normally makes people sick.
