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Keep in mind that no vaccine will be 100% effective. What they will do is convince your body to make antigens against covid19. This hopefully will stop you from getting the disease when the virus enters your body. The one talked about in the article combines genetic material from covid19 spike proteins with a chimpanzee common cold virus to deliver it.
The key is, how effective does it need to be to stop the pandemic? How many people need to actually be vaccinated? How often? At what cost? And how soon can this happen?
It will be nothing short of amazing if the vaccine ends up being safe, and enough people are able to get it to stop covid in its tracks, within say 2 years from now.
Until then, get used to wearing masks.
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