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 towards extreme sickness and demise, they can not cease vaccinated individuals from contracting the virus and experiencing gentle signs.
If we wish to stop gentle Covid infections, we’re going to want vaccines that defend us the place infections begin: within the mucus membranes of the nostril, mouth, and throat. And for that, we’re possible going to want intranasal vaccines.
Plenty of analysis teams and firms are engaged on Covid-19 vaccines that will be delivered intranasally, however the growth course of is hard. Watch the explainer above to study extra.
