中國日報, September 7th. 根據美國約翰·霍普金斯大學的數據, 在九月 6, “ 為。。。。尋找結果, the cumulative number of confirmed cases of new coronary pneumonia in the United States has exceeded 40 百萬. The fourth wave of the epidemic caused by the strain is pushing the medical system of many states to the limit. 這 …
Kuai Technology reported on August 29 that a study recently released by the Centers for Disease Control and Prevention of the United States showed that after the delta mutant strain of the COVID-19 became the “main force” of the epidemic, the overall effectiveness of the COVID-19 vaccine approved in the United States has been reduced. About one-third. Researchers analyzed the …