In 2020, people wanted a way to tell if they might have been exposed to COVID-19. More than 20 states in the U.S., including Pennsylvania and Delaware, used a smartphone app that applied existing ...
A recent Nature journal study analyzed over seven million data points from the National Health Service (NHS) coronavirus disease 2019 (COVID-19) app to understand how app measurements can be ...
At the start of the coronavirus disease 2019 (COVID-19) pandemic, analog techniques like nasopharyngeal swab specimens for polymerase chain reaction (PCR) testing were prominent. The widespread use of ...
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