People with high blood pressure or diabetes who catch Covid-19 are more likely to develop potentially fatal brain complications, warns a new study.

The unnamed man from China's Hubei province is said to have been the first known case of Covid-19, according to the South China Post.

Pfizer and BioNTech vaccine hit the headlines this week after being found to be 90% effective, however, there are other vaccines being tested

Data suggests that Russia's coronavirus vaccine is 92% effective, according to the country's sovereign wealth fund.

It comes amid reports a million people a week could be vaccinated under NHS plans to ensure a jab can be administered as quickly as it is manufactured

Volunteers on the Pfizer coronavirus vaccine trial say they suffered side effects comparable to a flu jab, with one comparing them to "a severe hangov