The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...

This story first appeared at ProPublica. ProPublica is a Pulitzer Prize-winning investigative newsroom. Sign up for The Big Story newsletter to receive stories like this one in your inbox. Meggan ...

White House Coronavirus Task Force member Dr. Anthony Fauci said that Pfizer’s Covid-19 vaccine breakthrough could result in other vaccine candidates also being successful. After it was reported this ...

LAS VEGAS, NEVADA -- A California couple says they were fully vaccinated, but still contracted COVID-19 while on vacation as experts say breakthrough cases are possible, especially with the delta ...

Recently released data show that females in Idaho reported post-vaccination coronavirus infections at higher rates than females across the country. Nine in 10 of the more than 190 COVID-19 vaccine ...

The concept of vaccination was first developed in the 19th century when Dr. Edward Jenner made the observation that milkmaids ...

Scientists at Tel Aviv University and the Israel Institute for Biological Research have developed the first mRNA vaccine proven completely effective against deadly bacteria. This groundbreaking ...