White-tailed deer—the most abundant large mammal in North America—are harboring SARS-CoV-2 variants that once widely circulated but are no longer found in humans.
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Immunity from COVID-19 appears to gather strength with more time between vaccination and infection, according to a new laboratory study.
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Acceptance of COVID-19 vaccines increased globally by about 4% in 2022, according to a survey of 23 countries that represent more than 60% of the world’s population.
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Researchers have identified three compounds derived from natural sources, including a British Columbia sea sponge that can prevent COVID-19 infection in human cells.
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Yale University researchers have found that testing for the presence of a single immune system molecule on nasal swabs can help detect stealthy viruses not identified in standard tests.
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Taking inspiration from a plant, researchers have designed new liquid-coated air filters that allow for improved early detection and analysis of airborne bacteria and viruses, including SARS-CoV-2.
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Researchers in Brazil have reported a large post-pandemic outbreak of drug-resistant fungus they say is due to excessive use of antifungals in the treatment of high-risk patients with long hospital stays.
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One of the most influential scientists of the last century is stepping away from the public health role he has held for nearly 40 years. But to hear him tell it, it could have been over before it even started.
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Researchers in Sweden have shown patients with acute COVID-19 infection have increased levels of the cytokine interleukin-26 (IL-26) in their blood.
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A new study from MIT finds that indoor relative humidity plays a significant role in the transmission of COVID-19.
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The COVID-19 pandemic saw the highly increased use of ventilators. And while they were critical to survival rate in the early days, a new study shows they also come with unintended consequences—they overstretch lung tissue.
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With evidence accumulating that the SARS-CoV-2 virus can infect and alter brain cells, researchers have used human brain organoids to show how the virus infects cortical neurons and specifically destroys their synapses.
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The COVID-19 pandemic may feel like it’s over, but it is not. That’s one of the messages of a new study by over 350 multidisciplinary experts in more than 100 countries.
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The discovery identified a potential future risk for neurodegenerative conditions in people who’ve had COVID-19, but also a possible treatment.
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To give an example, over 200 articles related to COVID-19 were retracted during the first two years of the pandemic, yet many of those articles were cited hundreds of times, without showing awareness of the retraction.
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