(CNN) — When you go to get your newly updated Covid-19 booster this fall, you might want to choose the arm the vaccine goes in carefully. The immune response may be stronger if your booster goes in ...

Most people will roll up their sleeves for the injection, but some may want to consider an alternate body part. By Christina Caron By now most people are familiar with how the Covid-19 vaccine is ...

Pain, swelling, and a rash at the injection site are common reactions to Covid-19 vaccines. Less commonly, someone may develop “COVID arm,” an exaggerated skin reaction to the vaccine. COVID arm is an ...

Dear Dr. Roach: I have had over 50 vaccinations in my life (I’m 78), most of them while I was in the military. I have often wondered how the vaccine spreads throughout the body, as the shots are ...

GALVESTON, Texas — Researchers at the University of Texas Medical Branch (UTMB) are working to create a nasal COVID-19 vaccine. Instead of getting a COVID-19 vaccine shot administered the typical way ...