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Public Health

As testing ramps up amid the current COVID-19 surge, researchers at Charleston-based Medical University of South Carolina are detecting delta variant mutations, finding one known as AY.4 particularly prevalent.

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After Pfizer's COVID-19 vaccine gained full FDA approval Aug. 23, some pediatrician's offices received calls from parents eager to vaccinate their children under 12, even though the shot is not authorized for this age group yet, The Wall Street Journal…

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