Effective vaccines are essential to interrupt the chain of transmission from animal reservoirs and infected humans to susceptible hosts, and are often complementary to antiviral therapy in controlling outbreaks caused by emerging viruses.
Chanjo faafu ni muhimu katika kukatiza msururu wa usambazaji kutoka kwa wanyama na binadamu walioambukizwa kwa watu walio hatarini na zinatumika pamoja na matibabu dhidi ya virusi katika kudhibiti majanga makubwa yanayosababishwa na virusi vinavyoibuka.