[theold]

The data show that getting a shot not only protects vaccinated individuals, it reduces the chance they can spread the virus to others.

New data from the CDC shows that COVID-19 infections do occur in vaccinated people, but they appear exceptionally rare.

https://www.nationalgeographic.com/scien...f-covid-19

[cityhantam]

National Geographic has also become vaccine "expert"?

Next, will National Clowns and Comedians give us advice on vaccines and vaccination? 

[watchfirst9]

Intramuscular vaccine reduce after virus meet antibodies in blood and organ.
Intranasal vaccine begin war faster at the main gate nose and lung.

Some type of nasal spray block transmission best
which form temporary coating to blocking the binding process.
However note is less than a working day.

[theold]

The earlier narrative for mRNA is about blocking the virus transmission with the spikes.