Koplik spot was helpful for the diagnosis of ()
A. influenza virus
B. measles virus
C. mumps virus
D. cytomegalovirus
E. HIV
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Which virus can not result in congenital infection? ()
A. HIV
B. HBV
C. Rubella virus
D. HCMV
E. Poliovirus
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