Answer: asthma
Explanation: hope this helps
You’re safest bet is D. Please message me if it is wrong.
B. Must have an animal label animals do not have the same systems and capacities that humans do this could be fatal if there is not an animal label on it.
<span>Edward Jenner discovered a vaccination against [smallpox] by infecting a boy with [cowpox]. He noticed that milkmaids who got cowpox never got smallpox and developed his theory from there. He is the father of the study of immunity and immunisation.</span>
