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Articles on Immunity

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Public health officials have been waiting for good data before making any decisions about booster shots for people who received Johnson & Johnson’s Janssen COVID-19 vaccine. AP Photo/Mary Altaffer

New Johnson & Johnson data shows second shot boosts antibodies and protection against COVID-19 – but one dose is still strong against delta variant

Your body produces antibodies after an infection or vaccine, but these slowly decline over time. New Johnson & Johnson data sheds light on the duration of protection and the need for booster shots.
By better communicating how vaccines boost the immune system’s long term “memory”, manufacturers could address vaccine hesitancy. i_am_zews/Shutterstock

COVID-19 vaccines produce T-cell immunity that lasts and works against virus variants

Cell-mediated immunity is particularly effective at eradicating viruses, and more durable. This is important in the fight against COVID-19.
A little more than 8% of vaccinated people in the U.S. have received the Johnson & Johnson vaccine. SOPA Images/Contributor/Light Rocket via Getty Images

Do I need a booster shot if I got the Johnson & Johnson vaccine? A virologist answers 5 questions

It has been six months since the Johnson & Johnson vaccine received emergency use authorization. What does six months of data show about its efficacy, side effects and protection from variants?
A person’s resting metabolism is very sensitive to temperature, and offices are often too cold for people. Steelcase/Wikimedia Commons

Going back to the office? The colder temperature could lead to weight gain

Going back to work at an office? An expert explains how the relatively cool temperature many offices are kept at may affect your body – and your health.

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