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6
votes
Is there scientific evidence that spacing out vaccines have any positive effects?
There is evidence that delaying or refusing immunization puts children at risk of disease here and here. There is also evidence that delaying or spreading out MMR or MMRV in particular puts children a …
13
votes
Accepted
Father gets chickenpox, but doesn't infect his two children. How is this possible?
To add to @BryanKrause's answer re: rare events happen all the time, the children are not out of the woods yet. The mean incubation time for a primary VZV infection (the clinical syndrome known as chi …