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.

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.

Here’s how one of the well-laid plans of Health and Human Services Secretary Robert F. Kennedy Jr. went blooey.

Kennedy, Jr. Kennedy announced in May that he “couldn't be more pleased that, as of today, the Covid vaccine for healthy children and healthy pregnant women has been removed from the CDC recommended immunization schedules.” The lawsuit accuses Kennedy ...

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,

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.