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Article
03.29.2021
More contagious and sometimes resistant to antibodies, some SARS-CoV-2 variants are gradually replacing the original strains. While this virus, which appeared recently in humans, is adapting to its...
Article
11.22.2020
No fewer than 180 candidate vaccines against Covid-19 are being developed around the world and 40 are currently in clinical trials. How do these vaccines work? And how can we measure their...
Article
11.09.2020
Nearly a year after the SARS-CoV-2 coronavirus was identified, researchers have yet to determine how it “jumped species” to infect humans. Virologist Étienne Decroly discusses the various hypotheses...