The German vaccine needs special storage conditions and the Chinese vaccine has serious side effects.

Professor Gordon Dugan, from the University of Cambridge, announced that the coronavirus vaccine, which was developed by the American company Pfizer in cooperation with the German company BioNTech, needs special storage conditions.

Said the professor, explaining that this vaccine must be stored under special conditions (minus 70 degrees Celsius), which makes it difficult to transport, and once delivered to the interested party, it must be kept at room temperature before using it.

He added that the results of the third phase of clinical trials of this vaccine showed that it is effective against the emerging coronavirus in 90% of cases. The World Health Organization found these results encouraging. It is likely to be officially registered in the United States this November.

As for the Chinese vaccine, Sinovac, it was found to have “serious side effects,” so it was decided to stop testing it in Brazil.

The meaning of the dangerous side effects of this vaccine (death, disability, hospitalization, transmission of infections through medical equipment).

Source: Vesti. Ru