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The statements of the director of Chinese Centers for Disease Control, Gao Fu, expressed doubts about the effectiveness of vaccines in this country. Specifically, he admitted that “Chinese vaccines do not have very high protection rates.” However, he did not specifically refer to the vaccine that arrived in Argentina, but to the vaccine of Sinovac who bought passes like Chile.
The difference between the two vaccines is substantial. For Brazilian researchers, the effectiveness of Sinovac It is around 50.4%, despite the fact that the laboratory that carries it out assures that it exceeds 62%. Meanwhile, the vaccine Sinopharm which is applied in Argentina has an efficiency of 79.34%.
Precisely, the vaccine that has been applied to teachers and the elderly in Mendoza is that of Sinopharm, for which the results of the phase III clinical trial give an efficacy result of 79.34%. But this percentage is reached after the second dose.
The vaccine requires 2 doses to be administered 21 to 28 days apart. The vaccine Sinopharm was developed in collaboration with the Beijing Institute of Biologics.
Phase I and II clinical trials, published in the medical journal The Lancet, have shown that this vaccine is safe and induces an immune response.
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