It's normal and common for your arm to be sore after getting a flu shot. Your symptoms may include pain, swelling, or redness where the shot was given. This happens because of the injection itself ...

When it comes to getting the most out of a vaccine, arm consistency can make a difference. Some studies suggest that getting ...

Lying under the covers, Kimberly Parker could feel bumps rising on her arm. She didn’t bother to flip on the lights to ...

Jennifer Moseley noticed a swollen lymph node in her left arm two days after receiving her second dose of the Pfizer vaccine in April 2021. Moseley, who has a family history of breast cancer ...

The study found that the location of the booster shot matters. Specifically, when the booster is given in the same arm as the ...

Most vaccines -- and boosters -- are injected directly into muscle tissue, usually in the upper arm, to kickstart the body's immune system in the fight against disease. But for respiratory diseases ...

Twenty participants received their booster dose in the same arm as their first dose, while 10 had their second shot in the opposite arm. “Those who received both doses in the same arm produced ...

Researchers at the University of New South Wales in Sydney discovered that receiving a booster vaccine dose in the same arm as the initial dose can trigger a faster and stronger immune response.

Sydney scientists have revealed why receiving a booster vaccine in the same arm as your first dose can generate a more effective immune response more quickly. The study, led by the Garvan ...

Receiving a COVID-19 booster vaccine in the same arm as the first vaccine dose leads to a faster, more effective immune response than having it in the opposite arm, according to a study in mice ...