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  1. ... exposed to the virus, had the prior infection , and/or whether one has developed Covid..., it apparently does *not* imply or confirm an immunity to the virus. Certain "urgent care centers...

    6 Answers · Beauty & Style · 24/11/2020

  2. ... that a vaccine (a good vaccine) produces cellular immunity with more memory T cells and memory B cells remembering and ready to fight the infection in the future.. and these T&B memory ...

    2 Answers · Health · 28/10/2020

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