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Booster shots mulled to enhance immunity
By Leng Shumei Published: Jul 27, 2021 10:23 PM
Photo: courtesy of SinovacExisting vaccines are effective in dealing with the third wave pandemic caused by the Delta variant and booster shots are needed for future anti-epidemic strategy, Chinese medical experts said after Sinovac released the initial results of a Phase II clinical trial on booster shots of China-developed inactivated COVID-19 vaccines.
The study, conducted in East China's Jiangsu Province since May 2020, found that although neutralizing antibody levels declined six months after two Sinovac shots, a two-dose vaccination schedule generates good immune memory, the Global Times learned from the company on Monday.
United-kingdomGuangzhouGuangdongChinaBeijingShulanJilinZhejiangHangzhouChineseSheng-guopingGao-fuChina’s 1st published report on COVID-19 vaccines shows ‘extremely rare’ adverse reactions; experts hail ‘remarkable’ safety
Zhang Hui Published: May 28, 2021 07:51 PM
Medical workers check out people's health condition before vaccination at a temporary vaccination site in Chaoyang district, Beijing, on Monday. Photo: Li Hao/GT
China on Friday for the first time released the adverse reactions data for massive inoculation of COVID-19 vaccines, and rates of normal and severe adverse reactions were lower than other common vaccines, which further proved the safety of the vaccines and will boost vaccination willingness worldwide, experts said.
A total of 31,434 adverse reactions were reported among 265 million doses used between December 15, 2020 and April 30, 2021, or 11.86 in every 100,000 doses, the Chinese Center for Disease Control and Prevention announced Friday.
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