Study finds surprising risks for COVID-19 infection

Credit: Pixabay/CC0 Public Domain

A new paper in Biology Methods & Protocols investigates risk factors and protections against contracting COVID-19, and also for suffering from severe COVID. Researchers have identified several characteristics—including male sex, lower age, blood group B, and larger household size—that increased the risk of infection and many other characteristics—including mask-wearing and using vitamin D—that decreased it. They also identified the things that increased or decreased the risk of a severe course of COVID-19. Some of these findings are unexpected.

SARS-CoV-2 has infected more than 600 million people worldwide, resulting in 6.57 million confirmed deaths. But information about factors affecting the probability of infection or suffering from a severe course of the disease remains insufficient and often speculative. Preregistered longitudinal studies about the risk factors of infection are surprisingly rare. Many…

Continue reading at

About Medical Express

Medical Xpress is a web-based medical and health news service that is part of the renowned Science X network. Based on the years of experience as a medical research channel, started in April 2011, Medical Xpress became a separate website. Branching out with's monthly 2.5 million readership, Medical Xpress features the most comprehensive coverage in medical research and health news in the fields of neuroscience, cardiology, cancer, HIV/AIDS, psychology, psychiatry, dentistry, genetics, diseases and conditions, medications and more.

Leave a Reply

Your email address will not be published. Required fields are marked *