File:Polio immunization days PHIL 2445.png

原始文件(1,338 × 870像素,文件大小:2.11 MB,MIME类型:image/png


描述

People in Columbus, Georgia awaiting polio vaccination during the earlier days of the National Polio Immunization Program.

In the early 1950's, there were more than 20,000 cases of polio each year. After polio vaccination began in 1955, cases dropped significantly. By 1960, the number of cases dropped to about 3,000, and by 1979 there were only about 10. PHIL 2445
日期 在1955年到1964年之间
date QS:P,+1950-00-00T00:00:00Z/7,P1319,+1955-00-00T00:00:00Z/9,P1326,+1964-00-00T00:00:00Z/9
Looks early 1960s from visible autos and fashion. Anyone spot something providing better dating?
The film Babies and Breadwinners was made to promote this event; it's from 1961, so this is likely 1961.
来源 http://phil.cdc.gov/phil/details.asp
作者 CDC/Charles N. Farmer


公有领域 這個圖像是美國衛生與公眾服務部下屬的美國國立衛生研究院的作品。作為美國聯邦政府的作品,這個圖像屬於公有領域
請確保此圖像實際上是由美國聯邦政府創建的。NIH經常使用非公共領域的商業圖像。


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