2. What was in Jenner’s smallpox vaccine?
A. smallpox pathogens
B. antitoxins
C. cowpox...
Health, 08.11.2020 02:40 alyssaflores
2. What was in Jenner’s smallpox vaccine?
A. smallpox pathogens
B. antitoxins
C. cowpox pathogens
D. antibiotics
3. Why did milkmaids who had developed cowpox not get sick with smallpox?
4. Why did the boy whom Jenner exposed to smallpox not get the disease?
5. Based on the history above, what would have happened to the boy if he were exposed to smallpox five years later? Why?
L lol
Answers: 3
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