A new Covid-19 variant, PJ.2.1, is spreading across several countries after being first detected in Canada's Ontario province ...

A new COVID-19 variant, PJ.2.1, is attracting attention after being detected across several countries, including parts of ...

A new COVID-19 variant called PJ.2.1 is showing up in more countries, prompting scientists to take a closer look. First ...

Another new Covid variant with potentially worrying mutations has been discovered in the UK. Like strains found in South Africa and Brazil, it carries a mutation that can make Covid jabs less ...

Covid variant TA.1 is increasingly prevalent and now accounts for 25% to 30% of all sequenced cases in the UK, with experts ...

A newly identified Covid-19 lineage, PJ.2.1, is being closely tracked after appearing in several countries. What makes it different?

A Covid variant first detected in June now makes up nearly a third of UK cases. A new mutation, TA.1, has now become dominant ...

Mutations of the coronavirus could render current vaccines ineffective within a year, according to a majority of epidemiologists, virologists and infectious disease specialists surveyed by the ...

A recent scientific article suggested that the novel coronavirus responsible for the Covid-19 epidemic has mutated into a more "aggressive" form. Is this something we need to worry about? No, and here ...

The virus that causes COVID-19 is accumulating genetic mutations, one of which may have made it more contagious. The number of virus strains present in each zip code in Houston during the second wave ...

A comparative analysis evaluating COVID-19 and hantaviruses highlights shared endothelial pathology, diagnostic obstacles, ...

Ratutrelvir , a once-daily, ritonavir-free oral antiviral therapy in development for COVID-19 infections, showed symptom resolution time ...