Antigens, Antibodies, Viral - blood, Escherichia coli - metabolism, Dengue - immunology, Dengue Virus - immunology, Viral - immunology, Viral Envelope Proteins - immunology, Drosophila - cytology, Recombinant Proteins - immunology, Dengue - prevention & control, Dengue Vaccines - immunology, Neutralizing - blood, Measles Vaccine - immunology