A member asked:

Hi doctors! hope that you and your families are and remain healthy! when the mayor of nyc reports that the "percentage of people testing positive for covid" is say 2% or 3%, from where do those base numbers come? what is it 2 percent or 3 percent of?

A doctor has provided 1 answer
Dr. Silviu Pasniciuc answered

Specializes in Internal Medicine

From the tests done: The denominator is the total number of tests done per day as more and more tests are done and just the value of positives might make it look like the number keeps increasing. The ratio corrects the trend for the number of tests done.

Answered 7/12/2020

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