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Tag Archives: Immune system

Should pregnant women get the COVID-19 vaccine? Will it protect against asymptomatic infections and mutated viruses? An immunologist answers 3 questions

I am a physician, and I just got my first shot of the Pfizer COVID-19 vaccine. William Petri, CC BY-SA William Petri, University of Virginia This week I was vaccinated against COVID-19 with the Pfizer mRNA vaccine, which brought to mind some frequently asked questions about the Pfizer and Moderna vaccines. I am a professor of infectious diseases at the …

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Coronavirus treatments: keep your eye on anti-complement drugs – they look promising

Kateryna Kon/Shutterstock Bryan Paul Morgan, Cardiff University Although the vaccine cavalry is finally coming over the hill, the need for better drugs to treat those with COVID-19 remains. Many drugs are being tested in patients at different stages of the disease, but with a few notable exceptions, results so far have been disappointing. In patients with severe COVID-19, runaway inflammation …

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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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