Amanda Kloots' husband, Nick Cordero, died on July 5, 2020, after a long journey with COVID-19. Here's everything to know ...

Records show that a top U.S. regulator rejected the recommendations of agency experts and limited the use of Covid vaccines.

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when ...

The World Health Organization’s expert group says the origin of COVID-19 remains inconclusive, though most evidence still ...

An expert group charged by the World Health Organization to investigate the origins of the COVID-19 pandemic has found no ...

According to a new study published in The Lancet Infectious Diseases, the XFG variant has four key mutations and displays ...

All hypotheses on how the COVID-19 pandemic began remain open, the World Health Organization said Friday, following an ...

A large-scale study of older adults found that severe COVID-19 infections requiring hospitalizations are associated with ...

Public health researchers say strong evidence suggests preventing infection is key to preventing Long Covid, after they found more than a fifth of children and young people were suffering ongoing ...

Because COVID-19 is caused by a virus, antibiotics cannot be used to treat it. However, Pulia says physicians may feel they ...

The World Health Organization said on Friday that efforts to determine the origins of SARS-CoV-2, the virus that caused the ...

Here's what is known about the new Covid XFG, or 'Stratus', variant from UK cases and symptoms to what the World Health Organisation has said ...