nasal vaccine
Yale’s new nasal vaccine can boost an mRNA shot
I’ve had COVID and am constantly getting colds. Did COVID harm my immune system?
Long COVID: Self-targeted immune attacks may lurk behind it
Newly discovered antibody neutralizes all variants of the coronavirus 
updated covid-19 boosters
FDA authorizes updated COVID-19 boosters
Researchers may have created a universal coronavirus vaccine
MIT just created a test that can tell if you’re immune to COVID-19
Yale study finds low levels of a hormone may predict long COVID 
Long COVID-19 and chronic conditions after viral infections may stem from an overactive immune response
nasal spray
A cheap nasal spray cuts COVID-19 risk by 62%