Risky to mix two Covid vaccines: Serum Institute Chairman Cyrus Poonawalla
Cyrus poonawalla, covishiled, covaxin, covid vaccines, bharat biotech, serum institute of india, adar poonawalla, serum institute chairman, covid vaccination, vaccine doses covid 19, coronavirus vaccination, icmr report, dcgi approval, mixing covid vaccines, daily covid caseload, covid cases today
Source: indiatvnews.com