Tag Archives: Immune system

Coronavirus reinfection cases: what we know so far – and the vital missing clues

Roman Pilipey/EPA

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 …

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5 ways our immune responses to COVID vaccines are unique

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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 …

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