The US has developed a nasal spray vaccine against COVID-19: how it works

A candidate nasal vaccine for COVID-19 that is effective in preventing disease transmission, SciTechDaily reports. The nasal vaccine induces airway immunity. Inhale, exhale. This is how easily SARS-CoV-2, the virus that causes COVID-19, can enter your nose. And although notable progress has been made in the development of intramuscular ...

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