The Public Health Center of Ukraine reported results from sequencing COVID-19 pathogens from patients in Poltava Oblast, confirming the virus belongs to the XFG genetic lineage, which is actively ...

Variant XFG, colloquially known as "Stratus," was first detected in Southeast Asia in January but accounted for less than ...

The Trump administration’s decision to terminate hundreds of millions of dollars to develop mRNA vaccines and treatments ...

The new variant is a mix of the coronavirus strains first detected in the United Kingdom and India, the country’s health minister said.

The delta variant, which was first detected in India, is “unquestionably” more transmissible than other common coronavirus variants and linked to increased hospitalizations, Fauci said.

COVID-19 trends also depend on the emergence and spread of new variants. The latest, including NB.1.8.1, are getting better at spreading among people, which contributes to a bump in cases.

Cases of COVID-19 are rising once again across the country. Only one state, Montana, is considered likely declining, with the remaining 23 states either not changing or not estimated, according to ...

Cases of COVID-19 are rising once again across the country. Only one state, Montana, is considered likely declining, with the remaining 23 states either not changing or not estimated, according to the ...

COVID-19 cases are rising nationwide, following a recurring trend of summer surges since 2020. Here's what to know in Tennessee.