论文部分内容阅读
I、地理的分佈: 甲、世界性——本病差不多遍及全球的熱带及亞熱带。 1.東半球北緯41°至南緯28°——阿非利加洲,阿剌伯、印度、越南、泰國、蘇門答拉、馬來亞、印尼、新幾內亞、澳大利、中國南部向北直達山東沿海、海南島、日本、台灣、朝鮮· 2.西半球北緯30°至南緯28°——美南部海岸及喬治亞、古巴、西印度羣島,再南以至南亞美利加洲的巴西、阿根廷。乙、中國方面: 1.地方性從越南向北沿海岸線15-25 哩之地區均有直至山東省南部,如山東、江蘇、安徽、浙江、福建、廣東、湖南等省均爲地方病。
I, geographical distribution: A, the world - the disease almost the world’s tropical and subtropical. 1. East latitude 41 ° north latitude to latitude 28 ° - Afrikaner, Arabian, India, Vietnam, Thailand, Sumatra, Malaya, Indonesia, New Guinea, Australia, southern China to the north along the coast of Shandong, Hainan Island, Japan, Taiwan, North Korea 2. The northern hemisphere latitude 30 ° north latitude 28 ° - the southern coast of the United States and Georgia, Cuba, the West Indies, South and even South America, the Americas, Brazil, Argentina. B. As far as China is concerned: 1. endemic 15-25 miles along the coastline from Vietnam to the south of Shandong Province are endemic, such as Shandong, Jiangsu, Anhui, Zhejiang, Fujian, Guangdong and Hunan provinces.