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Mystery pathogen is stripping sea urchins of their flesh and turning them to skeletons — and it's spreading fastA mysterious epidemic that began in the Mediterranean at the start of the year looks set to wipe out all of the Mediterranean and Red Sea’s urchins, and possibly their coral reefs too.
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COVID-19 is no longer a global health emergency, WHO saysThe World Health Organization no longer considers COVID-19 a public health emergency of international concern and has brought an end to an emergency declaration that has been in place since January 2020.
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COVID pandemic had 'minimal' effect on mental health, study says. Is that true?A new study finds that COVID-19 had minimal mental health impacts on the population, consistent with other research suggesting that people are resilient.
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COVID-19 is a leading cause of death among US children and teens, study showsAn analysis of mortality data shows that COVID-19 ranks as a leading cause of death among children and teens.
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Maybe rats didn't spread the Black Death after all, new evidence suggestsRecent research suggests rats may not have played the critical role in keeping plague going in Europe.
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What does it mean for a disease to be 'endemic'?In the context of a disease, the transition from "epidemic" to "endemic" means a pathogen is no longer causing outbreaks but isn't disappearing.
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A new omicron subvariant is spreading in China. Here's what we know so far.BF.7 is a new version of the coronavirus SARS-CoV-2 that's driving a surge of infection in China.
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Belief that COVID-19 was a hoax is a gateway drug to other conspiracy theoriesPeople who believe that the COVID-19 pandemic was a hoax are likelier to believe all sorts of other conspiracy theories, a new study suggests.
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Lab-made COVID-19 hybrid sparks controversyThe hybrid consists of the omicron variant's spike protein attached to the original virus
