COVID-19 vaccines offer protection against life-threatening disease caused by the coronavirus to people with heart disease and stroke, and a booster dose could bolster that protection, health experts said.
Sep 29, 2021
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Systemic lupus erythematosus (SLE) is an autoimmune disease in which the immune system attacks the body's own tissues, causing widespread inflammation and damage in the affected organs. It can affect the joints, skin, brain, ...
Sep 17, 2021
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Hope for a future without fear of COVID-19 comes down to circulating antibodies and memory B cells. Unlike circulating antibodies, which peak soon after vaccination or infection only to fade a few months later, memory B cells ...
Aug 24, 2021
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Researchers set up 31 male students to be able to move around various virtual rooms while lying inside an MRI machine that scanned their brains. Equipped with VR glasses and a joystick, participants were given 30 seconds ...
Aug 24, 2021
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A new study by Johns Hopkins Medicine researchers provides evidence that CD4+ T lymphocytes—immune system cells also known as helper T cells—produced by people who have received either of the two messenger RNA (mRNA) ...
Apr 22, 2021
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Despite the success and optimism of the new COVID-19 vaccination campaigns being rolled out worldwide, the emergence of new viral strains threatens to undermine their effectiveness. Indeed, South Africa has been forced to ...
Mar 9, 2021
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People may be able to fight off reinfection for at least six months after they recover from COVID-19 thanks to cells that can "remember" the virus, according to research published Monday.
Jan 18, 2021
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Millions of people across the world have been infected with SARS-CoV-2, the virus that causes COVID-19. Countries are also now embarking on massive vaccination campaigns to control the virus and protect their most vulnerable ...
Jan 12, 2021
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The rollout of the COVID-19 vaccines has been slower than many people were hoping for. And that has led to various suggestions on ways that governments should modify the plan for getting people vaccinated. The variety of ...
Jan 7, 2021
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New data suggest that nearly all COVID-19 survivors have the immune cells necessary to fight re-infection.
Jan 6, 2021
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