MCQ IN MEDICINE

MEDICINE MCQ

INFECTIOUS DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
smallpox has been eradicaed, but not malaria or cholera which satements correctly explains this?1. cholera bacteria in the intestines are not desroyed by antibiotics 2. plasmodium antigens change during the lifecycle 3. smallpox antigens remains stable4. vaccines only work agains viruses
A
1, 2&3
B
1, 2&4
C
1, 3&4
D
2, 3&4
Explanation: 
There is 1 question to complete.