题目内容

Which virus can not result in congenital infection? ()

A. HIV
B. HBV
C. Rubella virus
D. HCMV
E. Poliovirus

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HDV accomplishes its replication cycle with the help of ()

A. HAV
B. HBV
C. HCV
D. HEV
E. HIV

The infection source of encephalitis B virus is ()

A. Young pigs
B. mosquitoes
C. louse
D. tick
E. mite

Which virus cause Varicella-Zoster? ()

A. HSV-1
B. HHV-6
CMV
D. HSV-2
E. VZV

The first use of vaccinia to prevent smallpox is ()

A. Koch
B. Levin Hook
C. Lister
D. Pasteur
Edward.Jenner

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