Dr. Robert Redfield, the former director of the US Centers for Disease Control and Prevention (CDC), has told CNN he believes the coronavirus originally escaped from a lab.

The UK government is considering making COVID-19 vaccinations mandatory for health workers who care for the most vulnerable patients, the country’s health secretary Matt Hancock has said.

Millions of people around the world risk dying of hunger, and the COVID-19 pandemic and climate change are increasing the threat, UN Secretary-General Antonio Guterres has said.

The UK government is considering making COVID-19 vaccinations mandatory for health workers who care for the most vulnerable patients, the country’s health secretary Matt Hancock has said.

Half of Italy's 20 regions have gone into the strictest form of lockdown as a third wave of coronavirus has threatened to overrun hospitals across the country.

More than one-third of nonelderly U.S. adults say they are unlikely to get a COVID-19 vaccine, according to a report released by the Urban Institute and the Robert Wood Johnson Foundation.

Vitamin D deficiency increases the likelihood of hospitalization and the length of stay in the population aged over 60, according to a cross-sectional study of over 3,000 people.

A new form of the coronavirus spreading rapidly in New York City carries a worrisome mutation that may weaken the effectiveness of vaccines, two teams of researchers have found.