1. From the New York City Department of Health and Mental Hygiene, New York (J.R.Z., J.B.R., M.I., R.J.A., M.L.-E., N.M.V., J.L.R., B.M.I., A.J., M.A., S.C.H., T.G.M., M.O.K., B.M.M., D.C.D., O.B.), and the Centers for Disease Control and Prevention, Atlanta (J.R.Z., N.M.V.).