Diagnostic tests, Diagnostic reagent, PCR, Differential diagnosis, Clinical manifestations
Registration and notification, Population surveillance, Sentinel surveillance
Protective devices, Vaccines, Infection controls
Antiviral therapy, Oseltamivir, Zanamivir, Drug Resistance, Clinical complications
Molecular sequence, Genetics, Isolation and purification, Viral antibodies
Influenza and other Respiratory Viruses – PAHO/WHO