US officials: Delta strain is the biggest threat to control the epidemic
According to a US media report on the 23rd, US health officials warned that day that the number of newly confirmed cases infected with the delta mutant strain in the United States is still rising, and that the delta strain has become the biggest threat to the United States to control the epidemic.
CNN reported that as of the 23rd, cases of Delta strain infection have been found in 49 US states and Washington, DC. The US Centers for Disease Control and Prevention reported on the 22nd that of the newly confirmed cases of new coronary pneumonia in the United States in the last two weeks, more than 20% were infected with the Delta strain; in the report released half a month ago, this figure was only about 6%.
US public health officials warned that in the next few weeks, the delta strain is likely to become the main strain spreading in areas with low vaccination rates, and that the delta strain has become the biggest threat to the control of the epidemic in the United States.
The Delta strain was first discovered in India in October 2020 and has spread to 92 countries and regions so far. Swaminathan, the chief scientist of the World Health Organization, said last week that the delta strain is becoming the main new crown virus in the world.
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