Why is measles mumps and rubella more common in children? - mumps more condition_symptoms
Because if you have made these diseases are safe and not with the exception of measles again. Therefore, since most people will be as children, are exposed to as children.
There is an answer to your question, but all of these diseases are much worse if the experience as an adult.
2 comments:
because you designed to increase your system against the disease to minor Amon cumulative values of tolerance ...
because you designed to increase your system against the disease to minor Amon cumulative values of tolerance ...
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