Experts have now claimed that there is no need for a booster dose of the COVID-19 vaccine for fully inoculated individuals. The report suggested that people with both doses are protected from hospitalization and death caused by the deadly variant of COVID-19, Delta variant.

In the weekly peer-reviewed general medical journal, Lancet, WHO chief scientist Soumya Swaminathan mentioned that the limited supply of COVID-19 vaccines will save the lives of many if made available to the right people, especially those who are more at risk.

“Even if some gain can ultimately be obtained from boosting, it will not outweigh the benefits of providing initial protection to the unvaccinated,” the journal read. It has been co-authored by two scientists who recently quit the US Food and Drug Administration, Philip Krause and Marion Gruber.

In addition, the report cautions against believing that a dropping titer of neutralizing antibodies predicts a decline inefficacy of a vaccine. The ability of vaccines developed using proteins of the original Wuhan variant of the virus to protect against the current variants shows that the virus has not evolved to the point of escaping the memory immune response induced by the vaccines. However, it pointed out that unnecessary boosting is likely to lead to certain adverse events which might reduce vaccine approval.

Previously, WHO had called for a moratorium on booster doses till the vaccines reach more people across the globe. However, experts conclude that booster doses might eventually be needed because of waning immunity from the current vaccination or the virus evolving to escape the immune response generated by current vaccines and infections.

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