Tag Archives: Immune system

Sheena Cruickshank, University of Manchester As President Trump claims that he is immune to COVID-19 and isolated reports emerge of reinfection, what is the truth about immunity to COVID-19? To date, there have been six published cases of COVID-19 reinfection, with various other unverified accounts from around the world. Although this is a comparably small fraction of the millions of …

A worker inspects vials of a SARS CoV-2 vaccine for COVID-19 produced by SinoVac at its factory in Beijing on Sept. 24, 2020. (AP Photo/Ng Han Guan) Byram W. Bridle, University of Guelph; Samira Mubareka, University of Toronto, and Shayan Sharif, University of Guelph Athletes understand that there are two very different approaches that can be taken when training their …

This antibody adopts a Y-shape. The arms of the Y make up the part of the antibody that binds to the target. ALFRED PASIEKA/SCIENCE PHOTO LIBRARY Dimiter Stanchev Dimitrov, University of Pittsburgh Although a vaccine could be the ultimate solution to curb the COVID-19 pandemic and stop future ones, it will not be 100% effective. If it is anything like …

Shutterstock Paul Gill, Monash University y Menno van Zelm, Monash University The Oxford vaccine trial at the centre of safety concerns this week highlights the idea that people’s immune systems respond to vaccines differently. We don’t yet know whether reports of immune complications in one or two trial participants have been linked to the COVID-19 vaccine itself, or if they …