11. Small, isolated populations also risk extirpation by natural disasters and disease outbreaks ( epizootics ). 12. These conditions are the same outlined as ideal for epizootics by Barus & Prokes, 1996. 13. In recent years populations have also declined with an epizootic " Ranavirus " infection. 14. The species most affected by the current rabies epizootic in the Eastern United States is the raccoon. 15. In 1997, an epizootic event involving the red heart urchin occurred off the coast of Cura�ao. 16. At the time of the vaccine drop, the epizootic front was within 45 miles of San Antonio. 17. This epizootic saw 2, 000 cases of the disease in farms across most of the British countryside. 18. In the epizootic phase of the disease, it usually takes foxes four months to die after infection. 19. An epizootic ( animal disease epidemic ) of RVF is usually first indicated by a wave of unexplained abortions. 20. It causes red spot disease, or epizootic ulcerative syndrome ( EUS ), in many species of fish.
