Not too long ago, Dr NK Arora, chairman of the central authorities’s COVID-19 working group stated that specialists might begin testing to see if mixing doses of two completely different COVID vaccines might enhance immune response.
The federal government, nonetheless, went to make clear thereafter that there can be no mixing of vaccine doses.
In the meantime, researchers all over the world have been finding out the consequences of blending COVID vaccine doses. A examine in Spain, led by the Carlos III Well being Institute in Madrid, present in its preliminary trial that vaccinating folks with each Oxford–AstraZeneca and Pfizer–BioNTech COVID-19 might produce a potent immune response.
A UK examine known as Com-COV discovered that folks within the mix-and-match teams had gentle to average frequent vaccine-related unwanted effects than those that acquired two doses of the identical vaccine.
International locations like Canada, France, Norway, and Sweden, amongst others, have beneficial mixing vaccine doses as another nations proceed testing.
The technique is named heterologous prime-boost COVID-19 vaccination, and adopted to mitigate “supply shocks or shortages that might otherwise reduce the speed of vaccine roll-out,” in accordance with a examine revealed by The Lancet in Could.
Whether or not one can obtain two completely different doses of the COVID vaccine can solely be decided by in depth analysis, stated Dr Vikas Maurya, head of division and director, pulmonology, Fortis Hospital, Shalimar Bagh. “Researchers are already studying the effects of mixing the vaccine shots. Further research is required to understanding if doing this will boost the immune response or reduce it. For now, what we can say is a Covaxin shot should be followed by a booster dose of Covaxin only; the same applies for Covishield,” he added.