The main infection source of epidemic type B encephalitis virus____________

The vaccine for measles is best characterized by() A: Bacteriocin B: Killed virus vaccine C: Inactivated virus vaccine D: Live virus vaccine E: Recombinant virus vaccine

The pathogen of hemorrhagic fever with renal syndrome is A: Dengue virus B: hantavirus C: Xinjiang haemorrhagic fever virus D: Ebola virus E: Congo hemorrhagic fever virus

Which is the most common pathogen in infant acute bronchiolitis? A: Respiratory syncytial virus B: Influenza virus C: Rhinovirus D: Ecovirus E: Coxsackie virus

SARS-CoV-2 is a ____ A: RNA virus B: DNA virus C: Viroid D: Virusoid E: Prion

Which one can lead fetal anomaly in pregnant? A: Influenza B virus B: encephalitis B virus C: Rubella virusv D: Mumps virus E: Poliovirus

孕妇感染后可引起胎儿先天性小头畸形的病毒是 A: 森林脑炎病毒 B: Zika virus C: Dengue virus D: HIV E: Ebola virus

Negri body is A: Chlamydia inclusion B: measles inclusion C: Rabies virus inclusion D: herpes virus inclusion

virus 的意思是：

Whatis the major cause of influenza? A: H.influenzae B: Influenza virus C: rhinovirus D: Respiratory syncytial virus E: N.meningitidis