Multiple Choice
Which is incorrect about smallpox?
A) There is an effective vaccine.
B) Transmission is by ingesting contaminated water or food.
C) The vaccine is effective even if given in the first few days after exposure.
D) The poxvirus called variola is the etiological agent.
E) The last case was seen in 1977.
Correct Answer:
Verified
Correct Answer:
Verified
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