According to the diplomat, the vaccination was quick and successful.
Earlier, the official claimed that the vaccines Oxfor-AstraZenece and Covishield were identical by its formula.
By the end of this year or in early 2022, WHO expects new vaccines from coronavirus to appear. These drugs will not be injected, and they can be stored in the indoor temperature. Voice of America wrote this citing Soumya Swaminathan, the leading research fellow of the WHO.
"We're amazed about the vaccines we've got. I guess in 2022 we'll see the development of improved vaccines", the official said.
Currently, 80 prototypes of vaccines from coronavirus are undergoing trials, she added. The new way of hosting the vaccine could be more suitable for certain people such as pregnant women.