Coronavirus

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
A cheap nasal spray cuts COVID-19 risk by 62%
Nasal COVID-19 vaccines prepare for infection right where it starts – in your nose and throat
FDA authorizes new COVID-19 vaccine — and it’s not like the others
We may want to rethink how we deliver COVID-19 vaccines
New test tells you how many T cells for COVID-19 you have
Handheld antibody tester could reveal if you’re immune to COVID
The US Civil War drastically reshaped how Americans deal with death – will the pandemic?
Nanoparticles are the future of medicine