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TopicHow's a COVID vaccine going to work if people can get infected multiple times?
TeaMilk
11/12/20 5:10:02 PM
#15:


Squall28 posted...
Reinfection is not common at all.
Ah okay that's good, I wasn't aware of how common it was. I saw a poster here say it happened to him and his wife so it made me wonder

CableZL posted...
It would be a periodic thing until it's under control, I'm assuming. The problem right now is that we don't know how long the vaccine's efficacy lasts.
Ok I guess that would make sense. Are there other vaccines that are taken periodically like that? I assume the yearly flu one is because the strain mutates

badjay posted...
<img src="https://ib.bioninja.com.au/_Media/herd-immunity_med.jpeg">
If you don't understand how this picture works feel free to ask and I'll explain more. But I think SEEING it helps a lot more than being told how it works.

But in essence if you reduce how many people can get covid by having a vaccine that is 50%-80% effective than overall the spread of covid will be reduced to the point that it can't be spread anymore and it ceases to exist. Just like polio. But it requires a lot of people to be vaccinated to protect those who can't be vaccinated.
Oh yeah I get herd immunity. I hope enough people would be willing to take it, and that the immunity window would be long enough for it to be effective

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