Coronavirus: antibodies and vaccines may be less effective against new strains of the corona, research claims


So far, more than 11.7 million people have been infected with the coronavirus worldwide, while more than 26 lakh people have died. New variants of this virus have increased concerns even more. According to a new study now, Kovid-19 antibody-based drugs and vaccines developed so far may be less effective on new variants of the widely spread Corona. The study, published in the journal Nature Medicine, says that three fast-spreading variants of the coronavirus, which were first found in South Africa, Britain, and Brazil, can avoid antibodies that work against the virus's original form, Which gave rise to the epidemic.

According to many scientists, including researchers at Washington University School of Medicine in St. Louis, US, used as an antibody or drug made after vaccination or infection to neutralize new variants of the corona, compared to the original virus from Wuhan, China. Requires purified antibodies prepared for.

Senior author of the study and Michael S. of Washington University School of Medicine Diamond said, 'We are concerned that people in whom we expect to have a protective level of antibodies because they were infected with the coronavirus or have been vaccinated against it may also get protection against the new variant. '

Researchers said there is a wide variation in how much antibodies a person produces through vaccination or natural infection. Michael S. Diamond said, 'Some people have extremely high levels of antibody production and such people may be safer than new variants of the virus. But some people, especially the elderly and non-vaccinated people, may have antibodies that cannot be made at high levels. '

Michael S. Diamond stated, 'If the level of antibodies required for protection increases 10-fold, as indicated by our data, they also may not be sufficient. What is of concern is that those who are most in need of protection from the corona are the least likely to have antibodies. '