At the center of US vaccine policy is an unlikely set of Danish researchers whose work on the health effects of vaccines has been called into question. The study in Guinea-Bissau would have looked at the overall health effects of giving hepatitis B vaccines by only vaccinating half of the newborns in the study at birth despite an 18% prevalence rate in adults of the illness, which can lead to serious and sometimes fatal health consequences.
so I move on to something new.
，这一点在WPS办公软件中也有详细论述
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