A highly contagious SARS-CoV-2 variant was unknowingly spreading for months in the United States by October 2020, according to a new study from researchers with
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Are children a major source of contagion for COVID-19? Ten months into a pandemic that has claimed 1.2 million lives experts are still divided on
Read more(HealthDay)—Teens who live around lots of obese or overweight kids come to see their body types as ideal, a new study suggests. As a result,
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