Health experts have growing concerns regarding reinfections of the SARS-CoV-2 coronavirus, especially as more data suggest that immunity from previous infection is not as protective against the newest ...

SYDNEY (Reuters) - COVID-19 infections have been spreading in pubs and clubs in Australia's biggest city, including three new cases of the Omicron variant found among people who went on a harbour ...

A new COVID-19 variant named NB.1.8.1 has been detected in several states across Australia. The World Health Organization (WHO) is currently monitoring the situation closely, as this variant appears ...

Over the nearly five years since COVID first emerged, you’d be forgiven if you’ve lost track of the number of new variants we’ve seen. Some have had a bigger impact than others, but virologists have ...

The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

The BA 3.2 strain, dubbed “Cicada”, was first detected in South Africa in December 2024 but only started to spread to at least 23 countries in Europe and the US between late 2025 and early 2026. The ...

June 26, 2025 – The new COVID-19 variant that now makes up about a third of U.S. COVID cases has a signature symptom: a painful sore throat that feels like "razor blades." "This 'razor blade sore ...