covid 19

Low vitamin D may increase your risk of being hospitalized with COVID-19

by University of South Australia edited by Lisa Lock, reviewed by Andrew Zinin Credit: Unsplash/CC0 Public Domain As the latest wave of COVID-19 shows no signs of abating, University of South Australia experts say it’s not just booster shots that could offer protection—healthy levels of vitamin D may also play a role. In new research published in PLOS One, conducted in […]

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Study links COVID-19 and bacterial infection to Alzheimer’s disease

by Philadelphia College of Osteopathic Medicine edited by Lisa Lock, reviewed by Robert Egan Potential neuroinflammatory outcomes following infection. Credit: Frontiers in Aging Neuroscience (2025). DOI: 10.3389/fnagi.2025.1587782 A recent review by researchers at Philadelphia College of Osteopathic Medicine (PCOM) shows Chlamydia pneumoniae (Cpn) and SARS-CoV-2 infections may play a role in the pathogenesis of Alzheimer’s disease. Published in Frontiers in

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Largest study to date assesses long-term impact of COVID-19 on kidneys

by London School of Hygiene & Tropical Medicine edited by Lisa Lock, reviewed by Robert Egan   Credit: Pixabay/CC0 Public Domain A new study of more than 13 million people in England has found no evidence to suggest mild COVID-19 infection may cause long-term kidney damage. However, patients hospitalized with severe COVID-19 infections are at a high risk

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New COVID variant, NB.1.8.1, may now make up 1 in 3 US cases

by I. Edwards edited by Gaby Clark, reviewed by Andrew Zinin  Editors’ notes A new COVID-19 variant that led to a spike in hospital cases across parts of Asia may now account for more than one‐third of all COVID cases in the U.S., health officials say. The variant, known as NB.1.8.1, has been spreading fast. The U.S. Centers

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Red blood cell rupture, not clotting, drives vessel blockage in COVID-19, study finds

by Justin Jackson, Phys.org edited by Sadie Harley, reviewed by Robert Egan  Editors’ notes Schematic of RBC lysis and Endo-seal formation on dying endothelium. Credit: Nature (2025). DOI: 10.1038/s41586-025-09076-x A team led by the University of Sydney has identified red blood cell rupture at dying endothelial sites as a primary driver of microvascular obstruction in COVID-19, bypassing the expected role

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Global study finds no link between mRNA COVID-19 vaccines and Guillain-Barré syndrome risk

by University of Auckland edited by Sadie Harley, reviewed by Robert Egan   A medical assistant prepares a dose of a COVID-19 vaccine to be administered to a patient. Credit: Public domain image courtesy of Lisa Ferdinando, U.S. Department of Defense A new multinational study analyzing data from over 230 million people across 20 global sites highlights the

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Will you be able to get a COVID-19 shot? Here’s what we know so far

by LAURAN NEERGAARD and TOM MURPHY edited by Andrew Zinin   Credit: CC0 Public Domain Want a COVID-19 vaccination this fall? For many Americans, it’s not clear how easy it will be to get one. Health Secretary Robert F. Kennedy Jr., who was a longtime anti-vaccine activist, said this week that the shots are no longer recommended for

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Targeting the epipharynx to disrupt the residual triggers of COVID-19 in patients with long COVID

by Cactus Communications edited by Stephanie Baum, reviewed by Robert Egan   The epipharynx is located posterior to the nasal cavity. The region outlined with dashed lines indicates the epipharynx. Credit: Dr. Kensuke Nishi, Fukuoka Dental College, Japan The COVID-19 pandemic had a profound effect on the world, resulting in a dramatic loss of human lives. While

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