It can be caused by cancer, heartworm disease, pyometra, rickettsial infection, or systemic lupus erythematosus. 该疾病可能由癌症、心蠕虫病、子宫蓄脓、立克次氏体感染或系统性红斑狼疮引起。
Rocky Mountain spotted fever is a rickettsial disease that occurs in dogs and humans. 落基山斑疹热是一种人犬共患的立克次体病。
Typhus: Any of a group of related diseases caused by various species of rickettsia that release toxins into the blood. 斑疹伤寒:因不同种类的立克次体释放毒素至血液中而引起的一系列相关疾病。
What are the main different bio-characteristics among mycoplasma, chlamydia and rickettsia? 列举出致病性支原体、衣原体和立克次体。
Charles E.Rupprecht Rabies Program, Division of Viral and Rickettsial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia. 75%25的犬患狂犬病后仅存活4天，所有的狂犬病犬在出现临床症状的10天内死亡。
Kuzmin Rabies Program, Division of Viral and Rickettsial Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia. 国外有研究也表明，犬在出现狂犬病临床症状前3天的唾液中可以检测到狂犬病毒；
