It is referred to a person who has contracted the coronavirus thrice since the math can prove this statement

3×(covid -19)= 3 covid-57
Example : "Brazilian president , Jair Bolsonaro has contracted 3 covid-57 "
Example :

Bob: "The Brazilian president , Jair Bolsonaro has contracted the coronavirus thrice"
Jacob:"No, he has 3 covid-57"
by joelpotatochipsoats July 29, 2020
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(Covid-57) is when someone gets covid-19 for the 3rd time.
Hey i feel a bit shitty today mate.

You might have Covid-57 dude
by Dictonurban April 23, 2020
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