巴西试验数据发布了:中国疫苗Sinovac有效率为78%。几经推迟

lindamy

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Chinese vaccine 78% effective in Brazil tests: officials​

Issued on: 07/01/2021 - 21:02Modified: 07/01/2021 - 21:00

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Sao Paulo Governor Joao Doria shows a package of the CoronaVac vaccine -- the Butantan Institute announced it had an effectiveness of 78% against Covid-19 NELSON ALMEIDA AFP
2 min

Sao Paulo (AFP)
Chinese-developed Covid-19 vaccine CoronaVac showed at least 78-percent effectiveness in final-stage clinical trials in Brazil, officials announced Thursday, saying they would apply for emergency approval from the Brazilian regulatory agency to begin a vaccination campaign.

"This is a historic day, a day of hope," Sao Paulo state Governor Joao Doria told a news conference announcing the results.

He said his state's vaccination campaign would begin on January 25, though that will require approval from federal regulatory agency Anvisa.

The Butantan Institute, Sao Paulo's leading public health center, said it would apply for emergency approval by Friday.

The vaccine, developed by Chinese pharmaceutical firm Sinovac, showed effectiveness of 78 percent in Phase 3 testing on 13,000 volunteers in the Brazilian study, officials said.

And no one who received it developed a severe case of Covid-19, Doria added.

Turkey, which also helped carry out Phase 3 tests of CoronaVac, said last month the vaccine had shown effectiveness of 91.25 percent in its trials.

Sinovac has not yet released worldwide results from the tests, which are also being carried out in Chile and Indonesia.

The company has faced criticism for not supplying full data sooner.

The efficacy rate reported by Brazil for CoronaVac is well below the 95 percent reported for the vaccines from US pharmaceutical firms Pfizer and Moderna.

However, CoronaVac is easier to deploy because it does not have to be stored at extremely low temperatures.

Brazil has the second-highest death toll in the pandemic, after the United States, with nearly 200,000 people killed.

CoronaVac has been caught up in a political battle between Doria and President Jair Bolsonaro, likely opponents in Brazil's 2022 presidential election.

Doria pushed for a deal to test and produce the vaccine in Brazil. But Bolsonaro, who says he does not plan to be vaccinated himself, has derided it as "Joao Doria's Chinese vaccine."

© 2021 AFP

 

wei_cheng

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看来 Sinovac 的灭活疫苗 不如 Sinopharm 的灭活疫苗?

土耳其说 Sinovac 疫苗 91.25% 有效那个是 III 期临床试验的 interim analysis,人数少。
 
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贵圈

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老年人是否有足够的数据啦?
没有的话,一点用都没有。
 

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wei_cheng

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在巴西、土耳其和中国申报上市批准的时候会有详细报告吧。

老人的有效率多少?
 

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巴西报告发了吗不是
 

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这个帖子里的是 Sinovac 科兴生物的疫苗,不是 Sinopharm
土耳其给出的是 Sinovac 疫苗 III 期临床试验的 interim analysis
目前还没有看到巴西布坦坦研究所的正式报告,只知道总体的 efficacy,
目前还不知道分年龄组别的结果 (6楼 protocol 里特地分出 60岁以上试验组、对照组)
不知道什么时候可以综合多国 III 期临床试验的结果
巴西报告发了吗不是
 
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贵圈

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哎。落后
 

billwanhua

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巴西的B B C,需要Google英文翻译,没有说是不是包含无症状感染者
 

billwanhua

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另外一个葡萄牙文,好的一方面是没有重病,没有住院,防是防不住,但是起了治疗效果
According to the state government, none of the vaccine volunteers had a severe illness, so there was no record of hospitalizations or deaths among them. Based on this conclusion, the government said the vaccine was 100% effective against serious cases.

不知道有没有包含无症状感染者
 
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到土耳其去接种, 有效率 91.25%。
 

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看来 Sinovac 的灭活疫苗 不如 Sinopharm 的灭活疫苗?

统计数字, 不是精确数学。
在我眼里。 78%跟79%没区别。
 
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