<p>India's drug regulator has given approval for a study to be conducted by the Christian Medical College (CMC), Vellore on mixing of Covid-19 vaccines Covaxin and Covishield, official sources said on Wednesday.</p>.<p>An expert panel of the Central Drugs Standard Control Organisation (CDSCO) on July 29 had recommended granting permission for conducting the study.</p>.<p>The trial will involve 300 healthy volunteers.</p>.<p>"The aim of the study is to assess the feasibility on whether a person can be given two different vaccine shots -- one each of Covishield and Covaxin -- to complete the inoculation course," a source said.</p>.<p>Separately, a <a href="http://www.deccanherald.com/national/covishield-covaxin-combination-brings-better-immunogenicity-than-2-doses-of-same-vaccine-study-1017449.html" target="_blank">recent study by the Indian Council of Medical Research</a> (ICMR) involving 98 people, 18 of whom had inadvertently received Covishield as the first dose and Covaxin as the second in Uttar Pradesh, showed that combining these two Covid-19 vaccines elicited better immunogenicity than two doses of the same vaccine.</p>.<p>The study also found that immunisation with a combination of Covishield and Covaxin was safe and the adverse effects were also found to be similar when compared to the same dose regimen. </p>.<p><strong><a data-sk="tooltip_parent" delay="150" href="https://www.deccanherald.com/tag/coronavirus" rel="noopener noreferrer" target="_blank">CORONAVIRUS SPECIAL COVERAGE ONLY ON DH</a></strong></p>.<p>However, the World Health Organization's chief scientist has <a href="https://www.deccanherald.com/international/who-warns-against-people-mixing-and-matching-covid-vaccines-1008209.html" target="_blank">advised against people mixing and matching Covid-19 vaccines</a> from different manufacturers, calling it a "dangerous trend" since more data is needed about the health impact.</p>
<p>India's drug regulator has given approval for a study to be conducted by the Christian Medical College (CMC), Vellore on mixing of Covid-19 vaccines Covaxin and Covishield, official sources said on Wednesday.</p>.<p>An expert panel of the Central Drugs Standard Control Organisation (CDSCO) on July 29 had recommended granting permission for conducting the study.</p>.<p>The trial will involve 300 healthy volunteers.</p>.<p>"The aim of the study is to assess the feasibility on whether a person can be given two different vaccine shots -- one each of Covishield and Covaxin -- to complete the inoculation course," a source said.</p>.<p>Separately, a <a href="http://www.deccanherald.com/national/covishield-covaxin-combination-brings-better-immunogenicity-than-2-doses-of-same-vaccine-study-1017449.html" target="_blank">recent study by the Indian Council of Medical Research</a> (ICMR) involving 98 people, 18 of whom had inadvertently received Covishield as the first dose and Covaxin as the second in Uttar Pradesh, showed that combining these two Covid-19 vaccines elicited better immunogenicity than two doses of the same vaccine.</p>.<p>The study also found that immunisation with a combination of Covishield and Covaxin was safe and the adverse effects were also found to be similar when compared to the same dose regimen. </p>.<p><strong><a data-sk="tooltip_parent" delay="150" href="https://www.deccanherald.com/tag/coronavirus" rel="noopener noreferrer" target="_blank">CORONAVIRUS SPECIAL COVERAGE ONLY ON DH</a></strong></p>.<p>However, the World Health Organization's chief scientist has <a href="https://www.deccanherald.com/international/who-warns-against-people-mixing-and-matching-covid-vaccines-1008209.html" target="_blank">advised against people mixing and matching Covid-19 vaccines</a> from different manufacturers, calling it a "dangerous trend" since more data is needed about the health impact.</p>