QuarantinePatient IsolationDisease OutbreaksSevere Acute Respiratory SyndromeCommunicable Diseases, EmergingCommunicable Disease ControlNaval MedicineDisaster PlanningMandatory ProgramsAircraftTravelFiloviridae InfectionsHistory, 19th CenturyInfluenza, HumanLegislation, HospitalDisease Transmission, InfectiousTephritidaeAnimals, LaboratoryHistory, Medieval