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maxerickson
on May 12, 2021
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Lasting immunity found after recovery from Covid-1...
That study looks at the effect of a single dose of the vaccine.
For people that haven't been previously infected, the second dose is the similar booster.
Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4
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For people that haven't been previously infected, the second dose is the similar booster.