Hospitals were at a breaking point with only three critical care beds available as of Wednesday in greater Seoul, an area with a population of almost 26 million people, officials said.
The steep increase came just a day after a tough, 5-week lockdown was imposed in the Netherlands, where more than 10,000 people have died during the COVID-19 pandemic.
The blue-chip FTSE 100 index jumped 1.1pc, led by energy, financial and mining stocks, with the MSCI world index tracking overnight gains on Wall Street.
"These aren't jokes. Unemployment is rising, wages are falling, basic goods are becoming more expensive by magnitudes," President Vladimir Putin said during a cabinet meeting last week.
The sero-prevalence study, presented late on Tuesday, is now in its fourth round. Its work involved carrying out rapid antibody tests on 51,409 people across the country of some 47 million people between November 16 and 29.
China's blue-chips, however, ended 0.2pc higher, helped by upbeat factory data which expanded for an eighth month in a row as an economic recovery gathered pace.
Bond yields rose on Monday after an extension of trade talks between Britain and the European Union eased fears of a messy parting of ways between the two.
This would make the lockdown stricter than the one imposed during the first COVID-19 wave between March and May, when schools were closed but shops could open.
A countrywide review of the tier system is scheduled to take place on Dec. 16, although London Mayor Sadiq Khan said it was possible a decision on London could come as early as Monday.
The draft proposal would allow only essential shops such as supermarkets and pharmacies, as well as banks, to remain open.
Germany has been in partial lockdown for six weeks, with bars and restaurants closed, while stores and schools have remained open. Some regions have already imposed tougher measures as infections grew.
The President emphasized that as restricted movement and scarcity of transport in lockdown led to difficulties, the similar Limitation Act was required to be applied on the representations filed with the President Secretariat.
He congratulated the business community for the new airline which he hoped would create a competitive atmosphere for PIA to bring efficiency in services.