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María Arias de Reyna

@liztai I can't know where the gossip came from. But it arrived to Spain too. People were relieved we were not getting Chinese vaccines because they were so bad you would die from the vaccine faster than from covid. It was obviously a plot to clean China's image after creating the virus.
There was a second plot of China having indeed a real vaccine that were given to Chinese people but not the rest of the world. A way for China to conquer the world. West pharmaceutical companies saved the world.

@delawen @liztai Medical doctor here. IDK how many vaccines were developed in Chinea, but we did receive Sinovac in Brazil, and it is by far the one with fewer adverse effects. (Over the years I took 2 doses of Sinovac, 2 different Moderna and 2 different Pfizer, or something like that.) It was developed using a well known mechanism which underlies a lot of classical vaccines for other diseases, including some you probably took. Its problem is being less effective then the RNA ones.

@delawen @liztai By the way, Hilda Bastien has been keeping up with clinical and preclinical evidence on covid vaccines since the beginning, so her blog is a good read on the subject:

absolutelymaybe.plos.org/

Absolutely MaybeAbsolutely MaybeEvidence and uncertainties about medicine, science culture, and life.

@delawen Thanks for this! That's what I heard about Sinovac too. I am just grateful we got enough vaccines to survive the pandemic. It doesn't matter where it comes from, we will accept them. This aversion to vaccines due to country of origin is odd and sinophobic.

@lffontenelle

@liztai @delawen Brazil was one of the places where Sinovac was tested, and at least in that trial the vaccine barely crossed the required threshold of 50% efficacy for preventing a cases of a certain severity. (There's a blog post about the press release.)