<p>The World Health Organization's group of advisory experts is considering evidence this week on Covid-19 heterologous vaccines, or mix and match vaccines, and will report their findings on Thursday, a spokesperson said on Tuesday.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/science-and-environment/new-data-shows-gsk-vir-drug-works-against-all-omicron-mutations-1058469.html">New data shows GSK-Vir drug works against all Omicron mutations </a></strong></p>.<p>The independent experts will also look at "the Johnson & Johnson series - whether you should have one dose or two doses", WHO spokesperson Margaret Harris told a U.N. briefing in Geneva.</p>.<p><strong>Watch the latest DH Videos here:</strong></p>
<p>The World Health Organization's group of advisory experts is considering evidence this week on Covid-19 heterologous vaccines, or mix and match vaccines, and will report their findings on Thursday, a spokesperson said on Tuesday.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/science-and-environment/new-data-shows-gsk-vir-drug-works-against-all-omicron-mutations-1058469.html">New data shows GSK-Vir drug works against all Omicron mutations </a></strong></p>.<p>The independent experts will also look at "the Johnson & Johnson series - whether you should have one dose or two doses", WHO spokesperson Margaret Harris told a U.N. briefing in Geneva.</p>.<p><strong>Watch the latest DH Videos here:</strong></p>