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  • ALICIA CRUZ ACAL

Updated on Friday, 11 December 2020 - 15:48

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  • Direct.

    Last minute on coronavirus

  • Health.

    How long does it take to protect the Pfizer vaccine from Covid?

It has been a year since we heard the word '

coronavirus

' for the first time.

Much has rained since then.

And yet, doubts still arise about how this virus acts in our body and what happens to people who have already passed the disease and are immunized,

can they become infected again despite having antibodies?

And spread?

Why does a PCR test keep coming back positive despite having overcome the virus?

Unknowns that we try to solve with the help of experts.

A

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