Latest COVID data from the Office for National Statistics shows the rate for all reinfections has increased since early ...

People who had a low-dose Omicron infection could get reinfected with the same variant: Expert Immunocompromised patients are ...

Other research finds aircrafts’ wastewater is a useful source of data for Covid-19 ...

The staggeringly swift spread of the omicron variant across the U.S. has led to many more people getting infected with the coronavirus than ever before, some for the second time. Omicron is so ...

Researchers say people who contract the Omicron variant of COVID-19 are far less likely to be hospitalized or die than people ...

Researchers estimate the effectiveness of prior infection in preventing reinfection (PEs) with Omicron and other SARS-CoV-2 variants for the resident population of Qatar.

Millions of people in the UK have been infected with Covid-19 in recent weeks, with the majority contracting the Omicron ...

Nearly 800,000 vaccinated New Yorkers were infected with COVID-19 since Dec. 13, state data show, underscoring the omicron ...

A new study finds people who have had a previous COVID infection enjoy substantial protection against repeat infections.It ...

The CDC said it will publish additional data on COVID-19 vaccines and boosters against the dominant omicron variant later ...