Are Nasal Sprays the Future for the COVID Vaccine?
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Are nasal sprays the future of COVID-19 vaccines? That’s certainly the hope of many researchers working on new kinds of inoculation. Nasal vaccines were recently approved in China and India for use as a booster dose. The Chinese vaccine is inhaled through the mouth and nose, whereas the Indian vaccine is delivered through nasal drops. These vaccines are just two of more than 100 oral or nasal vaccines in development around the world, according to a report in Nature. The German Association of Research-Based Pharmaceutical Companies (VFA) has provided a good overview of the next generation of COVID vaccines.
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@jassy SARS-CoV-2 enters the body via the mucous membranes in the mouth and nose. In theory, oral or nasal vaccines could prime the immune cells in these mucous membranes and quickly stop the virus in its tracks before it spreads. It is hoped that these vaccines will prevent even mild cases of illness and block transmission to other people.