Neat News 2086 (added 2021-09-16)
Nasal vaccine against Covid-19
The first barrier against Covid-19 before it can travel down to the lungs is the nose. Now a nasal vaccine against the Covid-19 virus is in development that can provide a non-invasive intranasal vaccination. The new vaccine could supplement existing intramuscular vaccines.
related: #Covid19 #nasal_vaccine