RNA analysis shows most SARS-CoV-2 variants rarely persist through secondary transmissions
A large team of researchers affiliated with a host of institutions across the U.K. has found that most SARS-CoV-2 variants
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Fewer deaths tied to dirty air, but threats persist: report
(HealthDay)—Significant but uneven improvements in air quality have greatly reduced U.S. deaths related to air pollution over the past decade,
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Kids’ Concussion Symptoms May Persist for a Year
MONDAY, Oct. 15, 2018 — A year after a concussion, up to one-third of kids still have symptoms such as
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