<p>A World Health Organization epidemologist on Monday said that it is seeing 'reduced efficacy' of Covid-19 vaccines against the Delta variant.</p>.<p><strong>Read | <a href="https://www.deccanherald.com/science-and-environment/delta-variant-may-elude-antibodies-in-vaccinated-or-previously-infected-persons-study-999490.html" target="_blank">Delta variant may be eluding antibodies: Study</a></strong></p>.<p>However, the UN health body's expert said that the vaccines are still effective at preventing severe disease and death.</p>.<p><strong>Read | <a href="https://www.deccanherald.com/national/dh-deciphers-could-delta-plus-variant-cause-another-covid-surge-999299.html" target="_blank">DH Deciphers | Could Delta+ variant cause more waves?</a></strong></p>.<p>The epidemologist also warned that there might a "constellation of mutations" in the future, indicating that vaccines are likely to lose their potency against fighting the coronavirus.</p>.<p>The Delta Covid variant is listed by the World Health Organization and the US CDC as a 'variant of concern'.</p>
<p>A World Health Organization epidemologist on Monday said that it is seeing 'reduced efficacy' of Covid-19 vaccines against the Delta variant.</p>.<p><strong>Read | <a href="https://www.deccanherald.com/science-and-environment/delta-variant-may-elude-antibodies-in-vaccinated-or-previously-infected-persons-study-999490.html" target="_blank">Delta variant may be eluding antibodies: Study</a></strong></p>.<p>However, the UN health body's expert said that the vaccines are still effective at preventing severe disease and death.</p>.<p><strong>Read | <a href="https://www.deccanherald.com/national/dh-deciphers-could-delta-plus-variant-cause-another-covid-surge-999299.html" target="_blank">DH Deciphers | Could Delta+ variant cause more waves?</a></strong></p>.<p>The epidemologist also warned that there might a "constellation of mutations" in the future, indicating that vaccines are likely to lose their potency against fighting the coronavirus.</p>.<p>The Delta Covid variant is listed by the World Health Organization and the US CDC as a 'variant of concern'.</p>
