The Delta variant of the virus causing Covid-19 has caused infections to spike in the UK once more, preventing the planned relaxation of lockdown in England. But is it really faring worse than ...

UK coronavirus infections have risen slightly in the last week, with an estimated 119,000 people - up from 110,000 - now positive for the virus. The Office for National Statistics figures, up to ...

Scientists worldwide are closely tracking a descendant of the highly infectious Delta variant that's spreading in the UK. England's public-health authority said in a report on Friday that it was ...

The Omicron variant of the coronavirus is suspected to be the most infectious yet by binding to human receptors better than the Delta variant and the team’s findings show it may have the potential to ...

A certain mutation in the COVID-19 Delta variant causes infected cells to form disruptive chunks in the lungs and leads to more serious symptoms of the disease, a research team said. If the cells ...

The data is in: People infected with the coronavirus variant first discovered in the UK have a higher risk of dying from COVID-19 than those who get other versions of the virus. New research ...

This variant was first detected in Maharashtra, India, in October and contributed to a devastating surge in infections in that country this spring. The delta variant has been reported in dozens of ...