Affiliation: | Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D.R. Feikin, A. Curns, I.K. Oboho, S.M. Tomczyk, B. Wolff, J.T. Watson); ;Ministry of Health, Jeddah, Saudi Arabia (B. Al-Raddadi, M. Qutub, O. Shabouni, T.A. Madani); ;King Faisal Specialist Hospital and Research Center, Jeddah (B. Al-Raddadi, M. Qutub); ;King Abdulaziz University, Jeddah (T.A. Madani) |