. . "0149-2195" . "Morbidity and Mortality Weekly Report"@de . . . "englisch" . . "Centers for Disease Control and Prevention" . . "Fachzeitschrift" . . "Medizin"^^ . . . . "w\u00F6chentlich" . . "USA"^^ . . . "4592128"^^ . . "Morbidity and Mortality Weekly Report"@de . . . . . "134669837"^^ . . "Frederic E. Shaw"^^ . . . .