China announced significant adjustments to the response measures of the epidemic, and the number of diagnosis has soared.The United States says it is monitoring new crown diseases that may occur in China.

According to Voice of the United States, the White House crown disease coordinator Ashish JHA said on Thursday (December 15) in a briefing with reporters: "We have a very active oneMonitoring procedures, when tourists enter the country, we will use it on passengers to identify the infected people and track variants. If new variants appear, I believe we will be able to identify them. "

Jieha said, said, Jieha said,The United States does not want the epidemic in this winter, just like two winter.The White House wrote in a statement that although the crown disease "is no longer as destructive power as in the past, the virus continues to develop."

Chen Xi, a professor of public health at Yale University, pointed out that the outbreak of China's outbreak will have an unpredictable effect on the virus.However, he also believes that the risk of new variants in China may decrease.Because China has long adhered to the zero policy for a long time, the population has never been exposed to the Omikonia variant in general, and people's immune systems are almost completely targeted at the original version of the crown disease.The evolution of the virus may be relatively small to further evade the immunity.