WHO specialist Swaminathan allowed the annual modification of vaccines against coronavirus dangerous strains of COVID-19 may require an annual modification of vaccines, as is now the case with influenza vaccines. She stated this during a Q&A session, TASS reports.
Swaminathan said that at the moment, the developers are studying the possibility of modifying the vaccine to nullify the threat of future variants of the coronavirus.
“Fortunately, the vaccines that have been approved so far are still effective against the options we have seen so far,” she said, adding that WHO does not know if there will be an option in the future that will not respond to these vaccines.
According to her, developers and scientists want to be sure that they “can quickly change these vaccines”, making them effective against future strains. The organization is now working with “developers, scientists and regulators on how these vaccines can be quickly approved.” in six months. According to her, now people with health problems are advised to give a booster dose of the vaccine. She stressed that the COVID-19 pandemic will end in the world when a certain level of herd immunity is achieved.