Safety and Immunogenicity of the Candidate Vaccine MVA-MERS-S_DF-1 Against MERS

Inclusion Criteria: 1. Written informed consent form. 2. Healthy male and female subjects aged 18-55 years. 3. No clinically significant acute health problems as determined from medical history and physical examination at screening visit. 4. Body mass index 18.5 - 30.0 kg/m2 and weight \> 50 kg at screening. 5. Non-pregnant, non-lactating female with negative pregnancy test. 6. Males and females who agree to comply with the applicable contraceptive requirements of the protocol. Exclusion Criteria: 1. Receipt of any vaccine from 2 weeks prior to each trial vac-cination (4 weeks for live vaccines) to 3 weeks after each trial vaccination. 2. Receipt of vaccination against MERS or MVA immunizations.in the medical history. 3. Known allergy to the components of the MVA-MERS-S\_DF-1 vaccine product. 4. Evidence in the subject's medical history or in the medical examination that might influence either the safety of the subject or the absorption, distribution, metabolism or excretion of the investigational product. 5. Any confirmed or suspected immunosuppressive or immuno-deficient condition, cytotoxic therapy in the previous 5 years, and/or diabetes. 6. Any chronic or active neurologic disorder, including seizures and epilepsy, excluding a single febrile seizure as a child.