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China develops 71 vaccines and all are reportedly effective against Delta variant
Published on: 2021-07-06
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China is researching and developing 71 vaccines against COVID-19 and they are effective against the Delta strain, China's top epidemiologist Zhong Nanshan revealed over the weekend, making China the country with the largest number of vaccines undergoing research, experts said.
 

Nine of the 71 vaccines have already been put into use. Two were granted World Health Organization (WHO) emergency use, Zhong said as he addressed the graduation ceremony at the Shanghai Tech University on Saturday. The WHO approved COVID-19 vaccines produced by China's Sinovac and Sinopharm for emergency use, reports said.
 

China's inactivated vaccines are effective in reducing the rate of infection and severe symptoms, and they are also effective against the Delta strain, he noted.
 

Zhong shared Guangzhou's experience with handling the recent flare-up that lasted more than 20 days. If Guangzhou had failed to control the virus, one epidemic model shows that it would have resulted in more than 7.3 million people getting infected within just 20 days, he said.
 

Given the fast transmission speed of Delta mutant strain, Guangzhou expanded the check scope of "close contacts" from the previous "same family, same office and same restaurant" to include people who live in the same space or building.
 

By using mobile phone location functions and public surveillance cameras, they were able to track down the close contacts of confirmed COVID-19 patients or those who had stayed in dangerous venues for more than one hour within a 250-meter radius. They were given "yellow" QR health codes and asked to take a nucleic acid test within 24 hours, according to Zhong.
 

Speaking of the opening of borders, Zhong said as long as the epidemic in one place is not completely under control, the world is still at stake. We need the joint effort of the whole world to fully control the pandemic.
 

放心注射国产疫苗,目前中国有71种疫苗正在研发

“放心注射国产疫苗”,中国工程院院士钟南山7月3日在沪参加上海科技大学2021届毕业典礼时这么说。
 

他表示,中国的全病毒灭活疫苗,对感染、肺炎、重症的保护率都是有效的,所以放心注射国产疫苗,对德尔塔变异株都有效。
 

他在现场谈了对中国新冠防控策略和疫苗研发的体会。他介绍,目前中国有71个(疫苗)正在研发,9个已经可以用了,其中有两个被列入世界卫生组织紧急使用清单。

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