The Perfect Enemy | Nasal vaccines may be the next generation of protection against COVID - USA TODAY
July 29, 2025
Nasal vaccines may be the next generation of protection against COVID – USA TODAY

Nasal vaccines may be the next generation of protection against COVID

Researchers hope a nasal delivery system will make for a COVID vaccine better at preventing transmission and mild infections.

NEW YORK CITY — Peter Palese pulls open the door of a 16th floor lab room at Mount Sinai’s upper east side hospital. 

Inside the unusually warm room, lie stacked sheets of chicken eggs, delivered fresh every Tuesday.

Palese holds a flashlight against one to show how these eggs differ from those typically eaten for breakfast. Red veins appear.