A rare cell type in the lungs is essential to survival from the COVID-19 virus, a new study shows.

The mRNA technology behind the Pfizer and Moderna vaccines are groundbreaking, but their potential goes way beyond COVID-19.

For decades, scientists have searched for a way to outsmart Lyme disease, a stealthy infection that affects nearly half a million people each year in the U.S. Now, a breakthrough may be within reach.

Amid a multi-year surge in vaccine misinformation sparked by the Covid-19 pandemic, social media posts claimed that the ...

Combining multiple vaccines may trigger stronger immune responses in fewer shots, potentially improving the efficacy of ...