The main measures to control the spread of HCV are（）
A. Gamma globulin injection
Blood donors were screened for anti-HCV
C. Inject high-potency immune serum
D. Vaccination
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Which of the following is not the main classification of antiviral drugs for AIDS（）
A. Nucleoside reverse transcriptase inhibitors
B. Non nucleoside reverse transcriptase inhibitors
C. Interferon
D. Integrase chain transfer inhibitor
The classification of chronic hepatitis B virus infection does not include any of the following（）
A. Hepatitis B virus carriers
B. Chronic hepatitis B
C. Hepatitis B related liver cancer
D. Hepatitis B cirrhosis
Which of the following is not a staging of clinical manifestations of AIDS（）
A. Chronic carrier period
B. AIDS stage
C. acute stage
D. Asymptomatic period
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