WHAT WE KNOW ABOUT INTRANASAL COVID-19 VACCINES SO FAR
An intranasal vaccine, as the name suggests, is administered via the nose, and doesn’t require needle. Basically, it works by making the nasal mucus, which is the first line of defence against airborne infections like Covid-19, more efficient. As one article reads, “[Intra-nasal vaccines] aim to stop Covid-19 where it starts.” At present, while aerosolized vaccines have not completed trials for…
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