Analysts say the relationship between China and the US is at the lowest point in recent memory. The timing could not be worse as the world struggles to contain the global coronavirus pandemic.
In the fight against the coronavirus, global governments have implemented more confinement measures and travel bans to reduce interactions between people.
China is revoking the press credentials for American journalists from The New York Times, The Wall Street Journal and The Washington Post. In an unprecedented move, the journalists are also barred from reporting in Hong Kong or Macau.
Hong Kong will require all travelers arriving in the city to undergo a 14-day quarantine starting on Thursday. Macao will block entry to all non-residents not from the city, Hong Kong or mainland China.
Monkeys were found to have developed antibodies after they were infected with Covid-19, a discovery that suggests, but not proves, human immune systems will fight back against the disease.
Travel restrictions are slowly easing, schools are reopening and factories are planning to bring people back to work. China is carefully trying to get back to normal as the coronavirus outbreak appears to be slowing in the country.
A former property tycoon named Ren Zhiqiang published an article that criticized the authorities' handling of the coronavirus outbreak. It was widely circulated online. Now friends are concerned because they have not heard from him for several days.
Government data points to the first coronavirus case emerging in China in mid-November. The data also illuminated how quickly the virus spread in the early days.
A study found that places with a major coronavirus outbreak have similar climates. Scientists say their weather modeling could predict what regions will be hit by the virus next.