The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...

Here’s what we’ve learned – and how our understanding has evolved – since the earliest cases of the novel coronavirus were first reported.

Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the National Institutes of Health, through its Variant Task Force, analyzed the effectiveness of more than ...

BRUSSELS, March 16 (Reuters) - The European Union will on Wednesday unveil a COVID-19 pass to allow free travel this summer and support the struggling tourism sector despite the bloc's sluggish ...