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[–]thunderkitty 7 insightful - 3 fun7 insightful - 2 fun8 insightful - 3 fun -  (3 children)

Considering the data that has come out basically saying that people who have gained natural immunity (they got sick and built up B lymphocytes of which, some will remain as memory cells) have it last a few months is disheartening. That is likely the reason that multiple doses would be necessary. The more the immune system is exposed to an antigen (some sort of protein that evokes an immune response), the more memory cells are saved and the more specific they become. I don't think it's for the money, it's to make sure the vaccine is actually effective.

All of that goes out the window though if the virus mutates enough that the vaccine is no longer protective. It will be a fine balance between getting people to get the vaccine and getting enough of the population immunized actually protected (since vaccines aren't magical things that automatically protect you, there is a certain percent of people who will get the vaccine and won't develop a protective or adequate response, which is why we need HEEEEERRRRD IMMUNITY).

Edit: I didn't really discuss memory T cells, but they are also important in protecting against a virus as they will be the ones killing cells that are infected with the virus. Same issue still applies though: you need to get enough of them to stick around long enough to give protection.

[–]beermeem 3 insightful - 2 fun3 insightful - 1 fun4 insightful - 2 fun -  (2 children)

Wait, vaccines aren’t magical things that automatically protect? Next you’ll be telling me I should read the warning labels for side effects!

[–]Questionable 4 insightful - 2 fun4 insightful - 1 fun5 insightful - 2 fun -  (1 child)

I don't believe they have warning labels. They are exempt from legal action, testing or liability.

[–]beermeem 1 insightful - 2 fun1 insightful - 1 fun2 insightful - 2 fun -  (0 children)

They are exempt from lawsuit. There is a special legal process. Just look up vaccine court. It has awarded over $5B in damages.

They do have labels which enunciate side effects.

Why is this feeling like Reddit Stage #1 where people provide misinformation by simply "pretending" they don't know very obvious information that is publicly available.

You are entirely 100% incorrect. Please stop spreading misinformation when said information is readily available on google.