Resources Influenza Human-animal interface Other Respiratory Viruses Clinical Management Laboratory Burden of disease SearchĆ Updated surveillance reports and reporting flowsExperiencia de Chile en la estimaciĆ³n de la efectividad de la vacuna contra influenza y en el uso de secuenciamientoManual for the laboratory diagnosis and virological surveillance of influenzaPandemic Influenza Risk Management WHO Interim Guidance ← 1 2