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Latest human H5N1 bird flu case in US is 1st to cause respiratory symptomsThis infection, tied to an ongoing outbreak in cows, is the first in the U.S. to cause respiratory symptoms, but not the first H5N1 case in the world to do so.
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Drowning deaths in US on the rise for the 1st time in decadesAbout 500 more people died from drowning each year between 2020 and 2022 than did in 2019, the CDC reports.
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Person in Texas catches H5N1 bird flu in 1st probable case of cow-to-human transmissionThe patient is being treated with an antiviral drug and is believed to have been in contact with dairy cows infected with H5N1 avian influenza.
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Doomsday Clock hovers at 90 seconds to midnight for 2nd year in a rowThe Bulletin of the Atomic Scientists cited the threat of nuclear escalation in Ukraine, climate change and disruptive technologies as reasons to keep the clock at 90 seconds to midnight.
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China's respiratory outbreak is 'expected' and not caused by new virusEvidence suggests the outbreak is being caused by several known pathogens, the World Health Organization said.
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Skeletons from 1918 flu dispel myth that young, healthy adults were more vulnerable to the virusFrail people and those with preexisting conditions were most likely to die from the 1918 flu — not young, healthy adults as once believed, a study of the victims' skeletons suggests.
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Novavax's new COVID vaccine cleared for use by FDAAn updated COVID-19 vaccine made by Novavax has been authorized by the FDA, joining the two vaccines already cleared for use.
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Coronavirus variants: Facts about omicron, delta and other SARS-CoV-2 mutantsHere's a look at the science behind SARS-CoV-2 variants, including the now-dominant omicron and its many defunct relatives.
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'Excess deaths' tied to COVID have plummeted in America — what does that mean?Data shows that America's excess death rates have mostly returned to pre-pandemic levels, reflecting the end of the public health crisis, experts say.
