History of the ceiling

Author: (English) Ian Jennifer Gray
Translator: Xu Shan Zhao Yufang
Publisher:
Publish Date: 2006-09-01
Features: When we were young, adults told us that smallpox was like chickenpox but more severe. In reality, the severe consequences of smallpox are hard to imagine. For those who have not been vaccinated, about 10-30% of smallpox patients will eventually die. This book allows you to learn about the history of smallpox. From this book, you can discover how humanity has overcome this "terrifying master of death" through the power of science! Smallpox was one of the most serious infectious diseases thated people. For thousands of years, it has caused millions of deaths or disfigurements. One hundred and eighty years ago, Britain invented the smallpox vaccine. The mortality rate for smallpox patients remained as high as one-third. Later, developed countries gradually controlled this disease, but it still prevailed in rural areas of Africa. Starting in 1967, the last large-scale eradication campaign against smallpox was carried out. This book introduces the history of this infectious disease, "smallpox," from its emergence to its eradication!