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 ...

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 ...

PARIS, Oct 25 (Reuters) - France's new COVID-19 contact-tracing app needs to be downloaded by at least 20% of the population to be effective but is far from reaching that level for now, the minister ...

From Philly and the Pa. suburbs to South Jersey and Delaware, what would you like WHYY News to cover? Let us know! In 2020, people wanted a way to tell if they might have been exposed to COVID-19.

It may be time to dust off the face masks and air purifiers. The US is in the midst of a significant Covid-19 wave, with viral activity levels in wastewater the highest they’ve been for a summer surge ...