File:Polio immunization days PHIL 2445.png
From Infogalactic: the planetary knowledge core
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Summary
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
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:12, 5 January 2017 | | 1,338 × 870 (2.11 MB) | 127.0.0.1 (talk) | <p>People in Columbus, Georgia awaiting polio vaccination during the earlier days of the National Polio Immunization Program. </p> <p>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 </p> |
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