Cases of COVID-19 are now likely growing in 25 states, according to estimates published by the Centers for Disease Control and Prevention on Friday, as this year's summer wave of the virus appears to be getting underway.

Nicknamed “Stratus,” the XFG strain was recently designated a “variant under monitoring” by the World Health Organization (WHO), as it accounts for a growing proportion of cases globally, particularly in Southeast Asia, where the new variant is connected to a simultaneous rise in new cases and hospitalizations.

Six of the US’s most prominent medical organizations and an unnamed physician have teamed up to sue health secretary Robert F. Kennedy Jr, as well as the heads of the Food and Drug Administration (FDA),

House Democrats on the Oversight Committee are calling for an urgent briefing with staff from the Centers for Disease Control and Prevention (CDC), demanding answers over recent moves that have taken place among the agency's vaccine advisory panel, ABC News can exclusively report.

As the world adapts to living with coronavirus, one common question persists: How long does Covid-19 last? Typically, the duration of a Covid-19 infection ranges from a few days to several weeks, depending on an individual’s health and the severity of the infection.

A new Covid-19 variant, officially known as NB.1.8.1 and nicknamed Nimbus, is now the most common strain in the US, according to the US Centers for Disease Control and Prevention.

Medical associations representing hundreds of thousands of doctors, medical professionals and scientists in the United States are suing the leaders of US health agencies for limiting who can get Covid-19 vaccines and for undermining overall vaccine confidence.

Six major medical groups, and a pregnant physician, are suing HHS Secretary Robert F. Kennedy Jr. over changes he made to Covid-19 vaccine recommendations.

The Stratus COVID-19 variant, which includes the XFG and XFG.3 strains, currently accounts for around 30 per cent of COVID-19 cases across England. A unique symptom associated with the Stratus variant is a hoarse voice,