A medical worker prepares a dose of COVID-19 vaccine at the Universal Studios Hollywood in Los Angeles, California, the United States, June 18, 2021.(Photo: Xinhua) China is not the only country fighting against the mutated variant of the SARS-CoV-2, which emerged late last year and began to rampage in recent days as more countries like the US and Singapore revised …

UN News, October 13th, World Health Organization Director-General Tedros Adhanom Ghebreyesus said at a press conference in Geneva today that there have been some recent discussions about the concept of so-called “herd immunity” through the spread of the virus, but this There are problems in science and ethics, and it is definitely not a viable option. Tan Desai said that …