German tests of Covid-19 nasal vaccine shows early promise

A new approach to a Covid-19 nasal vaccine shows early promise | CNN Scientists in Germany say they've been able to make a nasal vaccine that can shut down a Covid-19 infection in the nose and throat, where the virus gets its first foothold in the body. Brenda Goodman CNN

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China and India both rolled out vaccines given through the nasal tissues last fall, though it’s not clear how well they may be working. Studies on the effectiveness of these vaccines have yet to be published, leaving much of the world to wonder whether this approach to protection really works in people.

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