The next leap in coronavirus vaccine development could be a nasal spray - The Washington Post

Sobered by the way the omicron variant tore through the population -- including the vaccinated -- some scientists think the next coronavirus vaccine should be a spray up the nose.

As the omicron variant of the coronavirus moved lightning-fast around the world, it revealed an unsettling truth. The virus had gained a stunning ability to infect people, jumping from one persons no… [+11982 chars]

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