Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
可以通过主动免疫接种多价灭活疫苗或亚单位疫苗预防流感。
Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
可以通过主动免疫接种多价灭活疫苗或亚单位疫苗预防流感。