Brazil
• Adolfo Lutz Institute, Sao Paulo
- Arbovirus diseases
- Food contamination monitoring
• Centro de Pesquisas "Rene Rachou," M.S. - Fiocruz-lneru, Belo Horizonte
- Trypanosomiasis
Canada
• Department of National Health and Welfare, Ottawa, Ontario
- Food contamination monitoring
- Virus diseases, general
Costa Rica
• The Carlos Saenz Herrera National Children's Hospital, San Jose, Costa Rica (non-official PAHO center)
- Diarrheal diseases
France
• Institut Alfred-Fournier, Paris
- Venereal infections and Treponematoses
• Institut de Médicine Tropicale, Service de Santé des Arm‚es, Marseille-Armées
- Meningococcal infections
• Institut Pasteur, Paris
- Arbovirus diseases
- Enteric infections, bacterial
- Leptospirosis
- Rabies
• Laboratoire National de la Sante Publique, Paris
- Poxvirus
• Universit‚ Claude Bernard, Laboratoire de Virologie, Lyon
-Virus diseases, general
Guatamala
• INCAP, Guatemala (non-official PAHO center)
- Rotarvirus (latex toxigenic E. coli)
• INCAP, Unified Food Control Laboratory, (Guatemala City
- Food contamination monitoring
Jamaica
• Bustamante Children's Hospital, Kingston (non-official PAHO center)
- Diarrheal disease
• University of the West Indies, Department of Microbiology, Kingston
- Virus diseases, general
Mexico
• Secretaría de Salubridad y Asistencia , Subsecretaría de Mejoramiento del Ambiente, M‚xico, D.F.
- Food contamination
Peru
• Institutos Nacionales de Salud, Lima (non-official PAHO center)
- Enteric microbiology
United Kingdom
• Central Public Health Laboratory, London
- Enteric infections, bacterial - Influenza Virus diseases, general
• Centre for Overseas Pest Research, Division of Chemical Control Research, Porton Down, Salisbury
- Vector biology and control
• Liverpool School of Tropical Medicine, Liverpool
- Malaria
• London School of Hygiene and Tropical Medicine, London
- Filariasis
- Leishmaniasis
- Malaria
- Trypanosomiasis
- Vector biology and control
- Viral hepatitis
• Medical Research Council Laboratories, Toxicology Research [Unit, Carshalton
- Vector biology and control
• Medical Research Council, Harrow
- Virus diseases, general
• Medical Research Council, National Institute for Medical Research, London
- Influenza
- Leprosy
- Tuberculosis
• Ministry of Agriculture, Fisheries and Food, London
- Food contamination monitoring
• Ministry of Agriculture, Fisheries and Food, Diseases of Breeding Department, Central Veterinary Laboratory, Weybridge
- Brucellosis
• Public Health Laboratory Service, Leptospirosis Reference Laboratory, London
- Leptospirosis
• Public Health Laboratory Service, Centre for Applied Microbiology nd Research, Special Pathogens Unit, Salisbury
- Virus diseases (special pathogens)
• University of Edinburg, Institute of Animal Genetics, Edinburg
- Malaria
• University of London, Institute of Ophthalmology, Department of Clinical Ophthalmology, London
- Trachoma and other Chlamydial infections
• University of London, Overseas Spraying Machinery Centre, Imperial College Field Station, Imperial College of Science and Technology, Ascot
- Vector biology and control
• Weight-Fleming Institute of Microbiology, St. Mary's Hospital Medical School, University of London, London
- Smallpox
• Zoological Society of London, Nuffield Laboratories of Comparative Medicine, London
- Malaria
United States of America
• Armed Forces Institute of Pathology, Washington
- Filariasis
• Baylor University, College of Medicine, Department of Virology and Epidemiology, Houston, Texas
- Virus diseases, general
• Centers for Disease Control, Atlanta, Georgia
- Enteric infections, bacterial
- Enterovirus diseases
- Influenza
- Leprosy
- Leptospirosis
- Rickettsiosis
- Smallpox
- Vector biology and control
- Venereal infections and Treponematoses
- Virus diseases, general
- Virus diseases, special pathogens
• Center for Disease Control, Fort Collins, Colorado
- Arbovirus diseases
• Center for Disease Control, Lawrenceville, Georgia
- Rabies
• Center for Disease Control, Phoenix Laboratories, Phoenix, Arizona
- Viral hepatitis
• Francis 1. Proctor Foundation for Research in Opthalmology, University of California Medical Center, San Francisco, California
- Trachoma
• The George Williams Hooper Foundation, San Francisco Medical Center, San Francisco, California
- Chlamydia
- Venereal infections and Treponematoses
• Johns Hopkins University, School of Medicine, Department of Microbiology, Baltimore, Maryland
- Treponematoses
• National Institutes of Health, National Institute of Allergies and Infectious Diseases, Laboratory of Infectious Diseases, Bethesda, Maryland
- Mycoplasmas
- Virus diseases, general
• National Institutes of Health, National Institute of Allergy and Infectious Diseases, Rocky Mountain Laboratory, Hamilton, Montana
- Rickettsioses
• Ohio State University, Department of Entomology, College of Biological Sciences, Columbus, Ohio
- Vector biology and control
• St. Jude's Children Research Hospital, University of Tennessee, Memphis, Tennessee
- Influenza (in animals)
• United States Department of Agriculture, Insects Affecting Man and Animals Research Laboratory, Gainesville Florida
- Vector biology and control
• United States Department of Agriculture, Gulf Coast Mosquito Research Laboratory, Lake Charles, Louisiana
- Vector biology and control
• United States Department of Health and Human Services, Bureau of Food, Food and Drug Administration, Washington, D.C.
- Food contamination monitoring
• United States Public Health Services Hospital, Laboratory Research Branch, Carville, Louisiana
- Leprosy
• University of California, Department of Agricultural Engineering, Davis, California
- Vector biology and control
• University of California, Department of Entomology, Riverside, California
- Vector biology and control
• University of Illinois, College of Liberal Arts and Sciences, Department of Entomology, Urbana, Illinois
- Vector biology and control
• University of Maryland, School of Medicine, Department of Microbiology, Baltimore, Maryland
- Rickettsioses
• University of Notre Dame, Indiana
- Vector biology and control
• University of Texas, South Western Medical School, Department of Pathology, Dallas, Texas
- Vector biology and control
• The Wistar Institute of Anatomy and Biology, Philadelphia, Pennsylvania
- Rubies
• Yale University, Department of Epidemiology and Public Health. Yale Arbovirus Research Unit, New Haven Connecticut
- Arbovirus diseases
Venezuela
• Instituto Nacional de Tuberculosis, Caracas
- Tuberculosis
• Ministerio de Sanidad y Asistencia Social, Departamento Central de Vectores y Reservorios, Division de Endemias Rurales, Maracay
- Vector biology and control
• Ministry of Health and Social Welfare, Caracas
- Leprosy
• National Institute of Dermatology, Universidad Central de Venezuela, Caracas
- Leprosy