Vaccination and chemoprophylaxis are the two most important methods for preventing<unk>  among patients.  Routine annual<unk>  vaccination is recommended for all persons aged ≥6 months who do not have contraindications.  Annual<unk>  vaccination is the best way to prevent<unk>  because vaccination can be given well before<unk>  virus exposures occur, and can provide safe and effective immunity throughout the<unk>  season.  Chemoprophylaxis is not recommended in all patients and should only be administered for certain populations who are at risk of complications.
Influenza primary prevention
Avian influenza primary prevention
Influenza future or investigational therapies
Hantavirus infection primary prevention
Pertussis primary prevention
Coronary heart disease secondary prevention influenza vaccination
Typhus primary prevention
Pertussis secondary prevention