CMC Vellore has got the nod to begin its research study on mixing of the Covaxin and Covishield vaccines doses. Experts however have cautioned that mixing of vaccines should not be randomly done but should be based on understanding multiple issues. WHO on vaccine cocktailsWHO Chief Scientist, Dr Soumya Swaminathan advised against mixing vaccines and called it a 'dangerous trend' without data on health impact. Vaccine mixing theoryEven before COVID-19, studies showed better and broader immune responses with the mixing of vaccines of different types. Germany will offer boosters of Pfizer and Moderna to vulnerable individuals with weak immune systems, regardless of the vaccines used for the first shot.

Source: dna August 11, 2021 12:45 UTC