eli5: What does it mean when immunologists say we need more research on transmission?

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So the recent Moderna/Pfizer vaccine is said to be safe and effective. However, wouldn’t this entail that it prevents transmission?

Any help would be great!

In: Biology

2 Answers

Anonymous 0 Comments

Maybe. It was a concern that the vaccines may inhibit the negative symptoms of the disease but could still allow vaccinated individuals to be essentially asymptomatic carriers. This was not thoroughly tested when the vaccines were initially rolled out, but studies have since shown that they do indeed reduce the viral load which mitigates transmission.

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