Quixplained: How will an intranasal vaccine for Covid-19 help during a pandemic?

Coronavirus vaccine: The intranasal vaccines, developed by Bharat Biotech in collaboration with the Washington University School of Medicine, are expected to cut down on the dependence on various trained personnel to administer the vaccine.

Intranasal vaccines are expected to cut down on the dependence on various trained personnel to administer the vaccine.

Coronavirus (COVID-19) vaccine: Hyderabad-based Bharat Biotech has said it will be manufacturing up to a billion doses of a single-dose intranasal Covid-19 vaccine in collaboration with the Washington University School of Medicine in St Louis, Missouri.

The agreement is expected to help overcome potential difficulties with distributing the vaccine, like the high cost of vaccination or a possible shortage of personnel to administer the doses to the required population.

Vaccines are delivered through different routes, with the most common being injectable shots delivered into the muscles (intramuscular) or the tissue just between the skin and the muscles (subcutaneous). Other routes of delivery, especially in some vaccines for infants, include administering the liquid solution orally instead of injecting. In the intranasal route, the vaccine is sprayed into the nostrils and inhaled.

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Bharat Biotech has announced to make a billion doses of an intranasal adenovirus vaccine in India.

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