Prime Minister Boris Johnson looked thin and pale when jogging in the early morning to regain shape after the battle with Covid-19.

Mr. Johnson, 55, dressed in a white T-shirt and dark-colored shorts, returned to his office in Downing Street, London, after jogging on the morning of May 20.

British Prime Minister Covid-19 hospitalized in April after 10 days positive for nCoV.

Johnson weighed more than 100 kg before being admitted to the hospital, while only 1.75 meters tall, making his BMI of 36. People with a BMI over 30 are identified as obese.

A large study in Glasgow last week showed that obesity can double the risk of hospitalization for Covid-19.

Therefore, Mr. Johnson is said to have taken the pandemic to encourage people to improve health and to urge employees to cycle to work.

According to British government data, a quarter of people who die from Covid-19 in the UK suffer from diabetes, a condition often associated with obesity.

There are about 4 million people in the UK with diabetes and this disease makes them more susceptible to infection, because high blood sugar levels weaken a patient's immune defenses, making the body slow to respond to viruses like

He is currently one of the largest epidemic regions in the world, with a total of nearly 250,000 nCoV infections, of which more than 35,300 are fatal.

Last week, the UK began to encourage people to return to work if their jobs cannot be done remotely, such as manufacturing or construction.