According to experts, it is normal for virus-fighting antibodies induced by COVID vaccines to wane over a period of time. Given the emerging variants, fully vaccinated individuals continue to remain at risk. Even after receiving two doses of the vaccine, there have been many cases of breakthrough infections, which have become a cause for concern.
However, this does not mean that the vaccines are less effective against the virus. As per the Centre for Disease Control and Prevention (CDC), “COVID-19 vaccines are working very well to prevent severe illness, hospitalization, and death, even against the widely circulating Delta variant. However, with the Delta variant, public health experts are starting to see reduced protection against mild and moderate disease.”
This has therefore ignited a lot of talks around the need for vaccine boosters.