the text: Wroteone prominent biologist in 1975, "during the last 150 years the western world has virtually eliminated death due to infectious disease".
At the time, his optimism seemed justified. Smallpox had nearly been eradicated, tuberculosis and polio wee in the decline and, with the exception of malaria, so were all of the other major infectious health threats of the 20th century. Scientists believed that, thanks to improved hygiene and sanitation, immunizatins and antibiotics, all remaining infections of human beings and domestic animals would soon be eradicated.
2006-09-19
11:42:37
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10 answers
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stylediya18
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Media & Journalism