Exposed to COVID-19 and not Sick? This is the Experts’ Explanation of Vaccines and the Immunity They Produce

But whether that exposure causes an infection depends on several factors. The first consideration is how close you are to an infected person, who is spreading the virus.

Second, how much virus the person sheds, because some people spread more virus than others. Third, what kind of ventilation around you.

If you are exposed in a poorly ventilated room, there is a greater chance the virus can enter your body or how your body handles the virus also plays a role. Many people who have been vaccinated and then exposed may not even notice.

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