​​CDC: Moderna’s shot is most effective among the three COVID vaccines in latest real-world study … Merck foresees possible U.S. authorization for its COVID antiviral pill by end of 2021 … LTC pharmacy giant Omnicare to require vaccination of all employees … Once-daily hepatitis C treatment effective and well tolerated by older adults in veterans study … Medicaid expansion linked to improved blood pressure, blood sugar control … Surgeon General: Delta variant’s effect is behind Biden’s expansion of vaccine mandates