Although the Covid-19 virus first emerged in China, the country has found relative success in containing further outbreaks in stark contrast to many parts of the world still afflicted by rolling lockdowns and high case numbers.
As the Chinese port city of Qingdao faces Covid-19 tests, surging infection numbers in Europe are forcing governments to impose another round of containment effort.
British Prime Minister Boris Johnson is set to announce a new three-tiered alert system for Covid-19 cases in England.
Meanwhile, German authorities shuttered Berlin bars and clubs after 11pm until the end of October whereas France is believed to be mulling local lockdowns in major cities.
In the United States — the world's worst-affected nation with 7.7 million infections and 214,000 deaths — President Donald Trump controversially declared himself immune after his treatment at a Washington hospital last week.
Six cases of Covid-19 were confirmed on Sunday in China's city of Qingdao prompting health officials to announce the country's first mass Covid-19 testing in months for more than 9 million residents.
Five districts will be tested "within three days" and the whole city "within five days", a statement from Qingdao's municipal health commission said.