Assuming
that a vaccine against hepatitis C was developed. To evaluate the
effectiveness of this vaccine, the population that should be
selected as the research object is ( )
A: People
with low incidence of hepatitis C
B: People infected with hepatitis C
C: People
who have been infected with hepatitis B
D: High-risk population of hepatitis C
that a vaccine against hepatitis C was developed. To evaluate the
effectiveness of this vaccine, the population that should be
selected as the research object is ( )
A: People
with low incidence of hepatitis C
B: People infected with hepatitis C
C: People
who have been infected with hepatitis B
D: High-risk population of hepatitis C
举一反三
- Assuming that a vaccine against hepatitis C was developed. To evaluate the effectiveness of this vaccine, the population that should be selected as the research object is A: People infected with hepatitis C B: People with low incidence of hepatitis C C: People who have been infected with hepatitis C and have antibodies in their bodies D: High-risk population of hepatitis C E: People who have been infected with hepatitis B
- Mother to infant transmission may transmit A: hepatitis A B: hepatitis B C: hepatitis C D: hepatitis D
- Vaccination for this hepatic disease is with viral surface antigen and usually provides immunity. A: Hepatitis A B: Hepatitis B C: Hepatitis C D: Hepatitis D E: Hepatitis E
- Polluted water may cause the outbreak epidemic of______ A: hepatitis A B: hepatitis B C: hepatitis C D: hepatitis D
- Today all babies usually get vaccines ____ the hepatitis B virus, but there is not yet a vaccination for hepatitis C. A: against B: again C: to