1. Department of Biomedical Sciences, Albany School of Public Health, State University of New York, Albany, New York;
2. The Arbovirus Laboratory, Wadsworth Center, New York State Department of Health, Slingerlands, New York;
3. Centro de Estudios Parasitológicos y de Vectores, CONICET, La Plata, Buenos Aires, Argentina;
4. Center for Vector Biology, Rutgers University, New Brunswick, New Jersey