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PUNE: World Health Organisation (WHO) chief scientist Dr Soumya Swaminathan on Friday said India could initiate research on heterologous administration (mix and match) of various Covid-19 vaccines to study the breadth and duration of immune responses as well as protection. “In the long term, if effective and safe, such a strategy could help countries manage supply constraints, while providing flexibility in vaccination programmes. It is also possible that combinations have an advantage in stimulating immune responses, but this can only be confirmed through research studies,” Swaminathan told TOI. Two studies recently demonstrated that the AstraZeneca vaccine followed by the Biontech/Pfizer as the second dose resulted in high levels of neutralizing antibodies. “There are studies going on. We need to wait for those, but at the moment we only have data on the Oxford AstraZeneca vaccine followed by Biontech/Pfizer, which is encouraging. We need both safety and immunogenicity da

Oxford astrazenecaT jacob johnIndian council of medical researchWorld health organisationIndian councilMedical researchEmergency use listingடி ஜாகோப் ஜான்இந்தியன் சபை ஆஃப் மருத்துவ ஆராய்ச்சிஉலகம் ஆரோக்கியம் ஆர்கநைஸேஶந்இந்தியன் சபைமருத்துவ ஆராய்ச்சிஅவசரம் பயன்பாடு பட்டியல்