Oral vaccines & nasal spray for Covid-19

[Christer Svensson]

Transmissible viral load.                        is secreted via membranes, for this reason It makes sense to generate mucus membrane immunity thus reducing oral and fecal viral loads with a therewith concomitant 

reduction of the R-0 

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6132247/