The World Health Organization has upgraded the global risk from Covid-19 to "very high", saying the continued increase in cases was "clearly of concern".

At least 58 countries have recorded the illness with more than 83,000 cases now identified worldwide.

With a staggering population of 190 million people, Nigeria today confirmed the first case of Covid-19 in sub-Saharan Africa.

Officials said the infected person was an Italian citizen who returned from Milan to the capital Lagos on Tuesday.

Those who were in direct contact with the man are in quarantine according to authorities, as fears grow the illness will spread across Africa's most populous country.

Lithuania also confirmed its first case along with Iceland, Mexico, Belarus, Estonia, Denmark, the Netherlands and New Zealand.

A man in Daegu, South Korea waits in line to buy face masks from a post office

Most of them have travel history connected to Italy – where the fresh outbreak began last week in the northern regions of Lombardy and Veneto.

The hardest-hit country in Europe today recorded three more deaths from the coronavirus while the number of those infected has jumped from 600 to over 820 in one day.

Meanwhile, a man who was aboard the quarantined Diamond Princess cruise ship off the coast of Japan has become the first British person to die from the virus.

The United States also confirmed 44 cases among repatriated citizens from the vessel.

Friday prayers in Iran were cancelled for the first time in 40 years while schools were also closed.

In Germany, schools were shut too in the western district of Heinsberg as cases there rose to 35.

More events are being cancelled to reduce the spread of Covid-19.

The Geneva Motor Show, which had an expected attendance of over half a million people, was called off after the Swiss government said gatherings of more than 1,000 people will be suspended until at least 15 March.

South Korean pop superstars BTS and American rock band Green Day have both cancelled their upcoming concert dates in Asia due to worries over the virus.

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