Working on combo of Covaxin, nasal vax: BB
16.08.2021
Bharat Biotech is working on a combination of Covaxin followed by a nasal vaccine that if administered can act as a booster dose, according to its chairman and managing director Dr Krishna Ella. While Covaxin was found to be significantly effective against the Delta variant, the Centre will take the final call on whether there is a need for a third dose of Covaxin to enhance the immune response, Ella said at the TIMES NOW India at 75: The Freedom Summit.
The company expects significant data on the combination in the next two months which can then drive the future course of action based on regulatory approvals and policy decision regarding booster shots.
“We are working on a combination of Covaxin followed by nasal, so that Covaxin primes the system of innate immunity and then the boost by the nasal which produces three immune responses – the IGG, the IGA and then mucosal immunity. All three immunities are powerful and can protect a person from getting infected,” Ella said. According to Ella, if the nasal vaccine works out well, production capacity is also likely to double. At present, Bharat Biotech is supplying around 2 crore to 2.5 crore doses of Covaxin per month, which is projected to increase to around 5.8 crore doses over the next few months.
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