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AHCA: Nursing home deaths rise nearly 70% since September … Antibody COVID cocktail from Regeneron receives FDA emergency go-ahead … Resident ethnicity, type of healthcare professional may influence feeding tube placement decisions … CMS changes physician self-referral regulations, retains patient protections … CDC: Mask mandate appears to reduce transmission on county level … High blood sugar predicts COVID-19 mortality for non-diabetics, large study finds … Lipid-lowering therapy benefits adults over 75 as much as younger adults: study