Two New Leptospiral Serovars in the Hebdomadis Serogroup Isolated from Zimbabwe Cattle

¹Department of Biological Sciences. University of Zimbabwe, Mount Pleasant, Harare, Zimbabwe
²N. H. Swellengrebel Laboratory of Tropical Hygiene. The Royal Tropical Institute, 1105 AZ Amsterdam, The Netherlands
³Unité de Bactériologie, Moléculaire et Médicale, Institut Pasteur, 75724 Paris Cedex 15, France
⁴Leptospirosis and Mycobacteriosis Research Service. U.S. Department of Agriculture, Ames, Iowa 50010