The best way to prevent infection with<unk><unk>  A viruses is to avoid sources of exposure whenever possible. Most human infections with<unk><unk>  A viruses have occurred following direct close or prolonged contact with sick or dead infected poultry. Chemoprophylaxis with<unk>  antiviral medications can be considered for all exposed persons. Decisions to initiate antiviral chemoprophylaxis should be based on clinical judgment, with consideration given to the type of exposure and to whether the exposed person is at high risk for complications from<unk> .
Avian influenza primary prevention
Influenza primary prevention
Influenza future or investigational therapies
Hantavirus infection primary prevention
Coronary heart disease secondary prevention influenza vaccination
Bourbon virus infection secondary prevention
Measles primary prevention
Typhoid fever primary prevention