All of the following statements are true of variolation EXCEPT:
A) It involves grinding smallpox scabs.
B) It reduced the incidence of smallpox.
C) At the time no one knew how it worked.
D) It was administered to children as early as the 12th century.
E) It was risk free.
Correct Answer:
Verified
Q2: What makes vaccinia virus useful as a
Q3: By the 1900s there were vaccines for
Q4: Killed vaccines work by stimulating
A) the production
Q5: Which of the following is NOT associated
Q6: All the following statements apply to toxoids
Q7: The most common method of attenuating a
Q8: OPV, the attenuated oral poliovirus vaccine, is
Q9: Passive immunity is used when
A) the attenuated
Q10: What is the most efficient and cost-
Q11: Which of the following substances is NOT
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