Temperature checks upon entry to businesses or schools are ineffective for detecting COVID, Fauci says
Fauci, the director of the National Institute of Allergy and Infectious Diseases, said the temperature checks aren't reliable, and it's more effective to question people about symptoms than it is to take their temperature with an infrared thermometer,
which is an increasingly popular practice as places reopen.
https://www.theblaze.com/news/temper...ve-covid-fauci
FWIW, N-Zero masks are prolly next on the useless list.