Delta Air Lines is overhauling hundreds of engine parts in its fleet after toxic fumes have been leaking into plane cockpits and cabins, causing brain damage to crew members and passengers. The ...

LONDON (Reuters) – A subvariant of Delta that is growing in Britain is less likely to lead to symptomatic COVID-19 infection, a coronavirus prevalence survey found, adding that overall cases had ...

Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

When the world first heard the word "coronavirus" in late 2019, few imagined that the virus would continue to reinvent itself half a decade later. From the devastating Delta wave in India to Omicron's ...