Director remarks Chinese Centers for Disease ControlGao Fu has raised doubts about the effectiveness of vaccines in that country. Specifically, he acknowledged, “Chinese vaccines do not have very high protection rates.” However, it did not specifically refer to the vaccine that arrived in Argentina, but to Sinovac Who bought permits like Chile.
The difference between the two vaccines is significant. For Brazilian researchers, the efficacy Sinovac It amounts to about 50.4%, despite the fact that the laboratory implementing it guarantees that it exceeds 62%. Meanwhile, the vaccine Sinopharm Which is applied in Argentina with an effective rate of 79.34%.
Specifically, a vaccine that has been applied to teachers and the elderly in Mendoza is a vaccine Sinopharm, Whose results from the Phase III clinical trial gave a result of 79.34% efficacy. However, this percentage is reached after the second dose.
The vaccine requires two doses given 21 to 28 days apart. The vaccine Sinopharm It was developed in cooperation with Beijing Institute of Biological Products.
Clinical trials of Phase I and II, published in the medical journal The Lancet, have shown that this vaccine is safe and induces an immune response.