41. From the tight confines of a converted horse stable, Kramer's arbovirus lab receives about 200 birds a week. 42. "' Uganda : Research the Ecology, Behavior and Genetic Variability of Aedes Africanus Arbovirus Vector . "' 43. Like most arboviruses , dengue virus is maintained in nature in cycles that involve preferred blood-sucking vectors and vertebrate hosts. 44. The " Tyuleny Virus ", a group B arbovirus , was recovered in 1969 on Tyuleny Island from ticks on birds. 45. Because the Ames laboratory lacked the material to test for the pertinent arboviruses , they forwarded the specimens to CDC, Gubler said. 46. In 1961 he became Associate Director of the Medical and Natural Sciences Division in charge of the Rockefeller Foundation's arbovirus programme. 47. SYMPOSIUM ON THE STUDY OF THE ROLE OF MIGRATING BIRDS IN THE DISTRIBUTION OF ARBOVIRUSES , 5 : 178-179 . Annals. 48. Woodall then moved to the Foundation's Yale Arbovirus Research Unit, where he continued work with the data gathered in Brazil. 49. After completing that research, he became head of the arbovirus laboratory of the New York State Department of Health Laboratories in Albany. 50. Departing with the arbovirus center are Dr . Robert B . Tesh and Dr . Robert E . Shope, its two chief researchers.