If you're getting a flu or COVID-19 vaccine this year, you may want to speak up when your doctor asks if you want the jab in your right or left arm. New research recommends getting your shots in the ...

When it comes to vaccines, where they go into your body can make a surprising difference in how well they work. Scientists in Sydney have uncovered how getting a booster shot in the same arm as your ...

Where you get your vaccine booster matters more than you think. Scientists in Sydney found that same-arm shots prime immune cells to respond faster, producing stronger antibodies against viruses like ...