| (A) Invited by FAO | |
| Bulgaria | Dr. B. Vatchev Ivanov, Central Veterinary Institute, bul. Slavejkov 15, Sofia 6. |
| Czechoslovakia | Dr. A. Zuffa, Director of Research Laboratory, Bioveta, Nitra, Ulica nbrodného porstania 2/a. |
| Hungary | Dr. T. Szent-Ivanyi, Department of Epizootiology, University of Veterinary Science, H-1581 Budapest. |
| Italy | Dr. G. Castrucci, School of Veterinary Medicine, Universitá di Perugia, Perugia. Dr. L. Cei, Servizi Veterinari, Ministero della Sanitá, EUR, Rome. |
| Poland | Dr. H. Janowski, Agro-Technical Academy, Olsztyn. |
| Switzerland | Dr. W. Bommeli, Eidg Vakzineinstitut, Hagenaustrasse 74, Basel 25. |
| Yugoslavia | Dr. Ceda Peukovic, Veterinary Institute, Savska Cesta 143, Zagreb. |
| United States of America | Dr. R.A. Bram, USDA-APHIS-VS, Emergency Program, Federal Center Building, Hyattsville, Maryland 20782. Dr. E. Carbrey, National Animal Disease Laboratory, Veterinary Science Research Division, Ames, Iowa 50010. Dr. W.R. Hess, Plum Island Animal Disease Center, P.O. Box 848, Greenport, L.I., New York 11944. |
| (B) Invited by EEC | |
| Australia | Dr. E.L. French, C.S.I.R.O., Division of Animal Health, Private Bag No. 1, P.O. Parkville, Victoria 3052. |
| Denmark | Dr. E. Overby, State Veterinary Institute for Virus Research, Lindholm, Nr. Kalvehave. |
| France | Dr. J.M. Aynaud, Laboratoire de Pathologie Porcine, Station de Recherches de Virologie et d'Immunologie, INRA, Route de Thiverval, F-78850- Thiverval-Grignon. |
| Dr. R. Carnero, Laboratoire Central de Recherches Vétérinaires, rue Pierre Curie 22, F-94700 - Maisons Alfort. | |
| Dr. B. Larenaudie, Laboratoire Central de Recherches Vétérinaires, rue Pierre Curie 22, F-94700 - Maisons Alfort. | |
| Dr. J.J. Metzger, Institut National de Recherches Agronomiques, Thiverval-Grignon. | |
| Germany (Federal Republic) | Dr. B. Liess, Director, Institute of Virology, Tierärztlichen Hochschule, Bischofsholer Damm 15, Hannover 3000. |
| Dr. W. Matthaeus, Bundesforschungsanstalt für Viruskrankheiten der Tiere, Waldhauser Höhe, Postfach 1149, D-74 - Tübingen. | |
| Dr. V. Moenning, Institute of Virology, Tierärztlichen Hochschule, Bischofsholer Damm 15, Hannover 3000. | |
| Dr. M. Mussgay, Director, Bundesforschungsanstalt für Viruskrankheiten der Tiere, Waldhauser Höhe, Postfach 1149, D-74 - Tübingen. | |
| Dr. M. Neukirch, Institute of Virology, Tierärztlichen Hochschule, Bischofsholer Damm 15, Hannover 3000. | |
| Dr. Pittler, Veterinary Services, Ministry of Food, Agriculture and Forestry, D-5300 - Bonn-Duisdorf. | |
| Ireland | Dr. H. Thornberry, Director, Veterinary Research Laboratory, Department of Agriculture, Abbotstown, Castleknock, Co. Dublin. |
| Israel | Dr. Y. Becker, Department of Molecular Biology, Hebrew University, Hadassah Medical School, P.O. Box 1172, Jerusalem. |
| Italy | Dr. Caporale, Jr., Istituto Zooprofilattico Sperimentale dell' Abruzzo, Via Campo Boazio, I - Teramo. |
| Dr. D. Cessi, Istituto Zooprofilattico Sperimentale della Lombardia e dell' Emilia, Via Cremona 282, I - Brescia. | |
| Dr. D. Rutili, Istituto Zooprofilattico Sperimentale dell' Umbria e delle Marche, Via S. Costanzo 14, I - Perugia. | |
| Netherlands | Dr. M.C. Horzinek, Institut voor Virologie, Practikumgebouw, Yalelaan, De Uithof, NL - Utrecht. |
| Dr. C. Terpstra, Central Diergeneeskundig Institut, Houtribweg 39, NL - Lelystad. | |
| Dr. J.G. van Bekkum, Centraal Diergeneeskundig Institut, Houtribweg 39, NL - Lelystad. | |
| Dr. J. von Oirschot, Centraal Diergeneeskundig Institut, Houtribweg 39, NL - Lelystad. | |
| Dr. J.J.W. Zeegers, Institut voor Virologie, Faculteit der Diergeneeskunde, Rijksuniversiteit Utrecht, Practikumgebouw, Yalelaan 1, NL - Utrecht. | |
| Norway | Dr. B. Hyllseth, Department of Microbiology and Immunology, Veterinary College of Norway, Post Box 8146, Oslo 1. |
| Portugal | Dr. J.M. Martins Gonçalves, National Laboratory of Veterinary Research, Lisbon. |
| Dr. J.L. Nunes Petisca, National Laboratory of Veterinary Research, Lisbon. | |
| Spain | Dr. M.A. Marcotegni, Departamento de Virologia Animal, Instituto Nacional de Investigaciones Agrarias, Embajadores, 68, Madrid. |
| Dr. A. Ordas, Departamento de Virologia Animal, Instituto Nacional de Investigaciones Agrarias, Embajadores, 68, Madrid. | |
| Dr. C. Sanchez Botija, Departamento de Virologia Animal, Instituto Nacional de Investigaciones Agrarias, Embajadores, 68, Madrid. | |
| Sweden | Dr. Z. Dinter, Wallenberg Laboratory, University of Uppsala, Dag Hammerkjolds Weg, 21 - Uppsala. |
| United Kingdom | Dr. F.J. Bourne, Department of Animal Husbandry, University of Bristol, Langford House, Langford, GB - Bristol BS 18 - 7 DY. |
| Dr. F. Brown, Animal Research Institute, Pirbright, Woking - Surrey. | |
| Dr. P.R. Ellis, Department of Agriculture, Reading University, Reading, Berkshire RG 6 2 AT. | |
| Dr. A.D. James, Department of Agriculture, Reading University, Reading, Berkshire RG 6 2 AT. | |
| Dr. P. Lamont, Central Veterinary Laboratory, New Haw, GB - Weybridge KT 15 3 NB | |
| Dr. W. Plowright, Royal Veterinary College, University of London, Royal College Street, GB - London NW1 OTU. | |
| Dr. P.J. Wilkinson, Animal Virus Research Institute, Pirbright, Woking, Surrey. | |
| United States of America | Dr. H.A. McDaniel, Laboratory Support, Veterinary Services, Federal Center Building, Hyattsville, Maryland 20782. |
| Dr. B.E. Sheffy, New York State Veterinary College, Ithaca, New York. | |
| Dr. W.C. Stewart, National Animal Disease Laboratory, Veterinary Science Research Division, Ames, Iowa 50010. | |
| Commission of European Communities | Dr. H. Bendixen, Commission of European Communities, 200, rue de la Loi, 1040 Brussels. |
| Dr. P. L'Hermite, Commission of European Communities, 200, rue de la Loi, 1040 Brussels. | |
| Food and Agriculture Organization of the United Nations | Dr. Y. Ozawa Animal Health Service, FAO, Rome. |
