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Topic 1 of 7 Objective and themes The disease was historically confined to the countries of sub-Saharan Africa. Evidence of RVFV circulation has also been found in Libya,

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4-Yayo205 Vet. Med. – Czech, 46, 2001 (7–8): 205–224 Review Article 1. INTRODUCTION Paratuberculosis, also known as Johne’s disease, is a specific