國產(chǎn)滅活疫苗對德爾塔毒株有效

Inactivated COVID-19 vaccines developed by China curbed the spread of the Delta variant during a May outbreak in Guangzhou, a study has shown.

研究顯示，中國產(chǎn)新冠病毒滅活疫苗在5月份廣州新冠疫情暴發(fā)期間遏制了德爾塔毒株的傳播。

Led by reputed Chinese epidemiologist Zhong Nanshan, researchers from the Guangzhou Center for Disease Control and Prevention found two shots of the vaccines showed an efficacy of 59% against COVID-19 caused by the Delta variant, 70.2% against moderate forms of the disease, and 100% against severe cases.

廣州市疾病預(yù)防控制中心聯(lián)合流行病學(xué)家鐘南山團隊研究發(fā)現(xiàn)，完整接種兩劑次滅活疫苗對預(yù)防德爾塔毒株的總體保護效果達59%，對中度癥狀的保護率為70.2%，對重癥的保護效果達100%。

According to the research paper, the protective effect of the two-dose vaccination against the Delta strain reached 72.5% among study participants aged 40 to 59.

研究報告指出，在40歲至59歲的研究參與者中，接種兩劑次滅活疫苗對預(yù)防德爾塔毒株的總體保護效果達72.5%。

Vaccine efficacy was also higher in females.

在女性群體中，滅活疫苗的保護效果也更高。

Meanwhile, with an efficacy of only 13.8%, one dose of vaccine did not provide sufficient protection.

研究還發(fā)現(xiàn)，僅接種一劑次滅活疫苗不能產(chǎn)生有效的保護效果(13.8%)。