disaster自然災(zāi)害英文介紹-資料下載頁
2025-08-16 02:41本頁面
【正文】 ears. Plague of Justinian from 541 to 750, was the first recorded outbreak of the bubonic plague. It caused Europe39。s population to drop by around 50% between 550 and 700 million. Black Death started 14th century. The total number of deaths worldwide is estimated at 75 million people. It was the first of a cycle of European plague epidemics that continued until the 18th century. Smallpox The disease killed an estimated 40 million Europeans per year during the closing years of the 18th century. During the 20th century, it is estimated that smallpox was responsible for 300–500 million deaths. Smallpox The disease killed an estimated 40 million Europeans per year during the closing years of the 18th century. During the 20th century, it is estimated that smallpox was responsible for 300–500 million deaths. Current pandemics HIV and AIDS HIV ,the virus that causes AIDS, is currently a pandemic. It spread to the United States and much of the rest of the world beginning around 1969. SARS (Severe Acute Respiratory Syndrome) Between November 2022 and July 2022 an outbreak of SARS in Hong Kong nearly became a pandemic. And within weeks SARS spread from Hong Kong to infect individuals in 37 countries in early 2022. Influenza The first influenza pandemic was recorded in 1580 and since then influenza pandemics occurred every 10 to 30 years. The Hong Kong Flu, 1968–69. An H3N2 caused about one million people worldwide. Influenza A (H3N2) viruses still circulate today. The cause of the civilization appeared are the same as the infectious diseases, such as population increase, setting down, engaged in agriculture and animal husbandry, etc, and the plague is a unavoidable consequences of the wave of civilization in globalization trend. What can we do with the plague? Prevention measures sanitation. the public on ways to preventplague exposures. antibiotic therapy.
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