Will intranasal vaccines confer sterilising immunity?

HPV is the only vaccine that confers sterilising immunity even though it is an intramuscular vaccine. Even if the COVID-19 intranasal vaccine does not confer sterilising immunity, the local mucosal immunity is likely to reduce the possibility of infection and in all probability might prevent transmission. While all COVID-19 vaccines administered through the intramuscular route … Continue reading Will intranasal vaccines confer sterilising immunity?

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