Your exposure was not at a level to result in infection or your antibodies after COVID-19 vaccine avoided the illness. These are two possibilities. Obtain ba booster and a Flu vaccination.
Answered 12/27/2021
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If you are vaccinated, that could have prevented an infection. A small number of people are genetically resistant to an infection. It varies with the infection, but a small number are resistant to HIV also.
Answered 12/27/2021
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2 doctors weighed in across 2 answers
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