Next coronavirus vaccines may be sprays, pills or printed on demand


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THE race to develop vaccines against covid-19 got off to a flyer, but with dangerous new virus variants, stark inequalities in access to vaccines and few vaccination options for children, the world still needs all hands on deck. Last week, a virtual meeting run by the New York Academy of Sciences called The Quest for a COVID-19 Vaccine showcased the most promising new candidates.

Codagenix: A nasal spray

So far, all approved covid-19 vaccines have been injectable. Another option is a nasal spray, says Robert Coleman, CEO of biotech company Codagenix, in Farmingdale, New York.

“A …

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