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Why is not there a nasal vaccine for Covid-19 but?


Covid-19 vaccines have quickly altered our relationship with SARS-CoV-2, turning a harmful an infection into one thing akin to the widespread chilly for a lot of vaccinated individuals who contract it. However whereas these vaccines are nice at defending in opposition to extreme sickness and dying, they can not cease vaccinated individuals from contracting the virus and experiencing delicate signs.

If we need to forestall delicate Covid infections, we’re going to wish vaccines that shield us the place infections begin: within the mucus membranes of the nostril, mouth, and throat. And for that, we’re probably going to wish intranasal vaccines.

Various analysis teams and corporations are engaged on Covid-19 vaccines that will be delivered intranasally, however the improvement course of is difficult. Watch the explainer above to be taught extra.





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