On an individual basis, the degree and durability of the immunity a person gets after vaccination versus an infection is not an easy question to answer. But it’s one that science is hotly pursing.
from WebMD Health https://ift.tt/3CfWurD
On an individual basis, the degree and durability of the immunity a person gets after vaccination versus an infection is not an easy question to answer. But it’s one that science is hotly pursing.
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