Twenty-three people in the UK have tested positive for the strain of coronavirus known as Covid-19.

Tens of thousands of cases of the respiratory illness have been confirmed worldwide, and more than 2,900 people have died from it.

The majority of the cases have been in China, after the disease originated in the city of Wuhan in Hubei province.

ITV News asked Dr Jennifer Rohn, a cell biologist at University College London, to answer the most Googled questions about the coronavirus.

Some of the questions Dr Rohn answers include "what is a coronavirus?", "what are the symptoms?" and "do masks work?".