By Edward ChenJuly 7, 2022 Reprints A patient with pills of Paxlovid. Six months after the emergency use authorization of Paxlovid for high-risk Covid patients, physicians say prescribing still isn’t clear-cut. ALEX WELSH/THE NEW YORK TIMES Six months after regulators issued an emergency use authorization for Paxlovid, physicians say they still have significant questions about prescribing guidelines...