Impression | Fernando Cabanillas: The original sin of vaccines

Extra than 60 yrs ago, virologist Thomas Francis Jr. noticed that a first episode of the flu marks us for the relaxation of our lives, due to the fact it shapes the kind of immune response to long run infections from that virus. The immune response is a great deal more robust when we are very first infected with a single virus, but incredibly inadequate if we are afterwards infected with a second, various pressure of the very same virus. This leaves the immune system trapped by the first response it provided and not able to activate likely more successful responses through subsequent infections. He called him “The doctrine of original antigenic sin..

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