On December 18, a San Diego emergency room nurse was given a shot of the COVID-19 vaccine. A week later, he tested positive for the virus, CNN affiliate KGTV reported. Stories like this will become ...

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

Now that the federal government is recommending that many COVID-vaccinated Americans receive booster shots starting this fall, it’s important to know what a “booster” is and how it differs from a ...

CVS Pharmacy and Walgreens are both now administering COVID-19 booster shots, but only for those with weakened immune systems. It comes after the Food and Drug Administration ruled that transplant ...

Health experts are reinforcing the point that full vaccination remains highly effective against severe illness and death caused by COVID-19 as federal regulators consider the possibility of ...

LOS ANGELES - Pfizer is about to seek U.S. authorization for a third dose of its COVID-19 vaccine, saying Thursday that another shot within 12 months could dramatically boost immunity and maybe help ...

COVID rarely rates a mention in the news these days, yet it hasn't gone away. Subscribe to our newsletter for the latest sci-tech news updates. SARS-CoV-2, the virus that causes COVID, is still with ...

If you've been hopping between arms for booster shots, a new study suggests that your lymph nodes remember exactly where you first got jabbed and perform far better when you return to that same arm.

Adrian Esterman receives funding from the NHMRC, MRFF and ARC. COVID rarely rates a mention in the news these days, yet it hasn’t gone away. SARS-CoV-2, the virus that causes COVID, is still with us.