Polio_physical_therapy.jpg
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Summary
| Description |
English:
This physical therapist is assisting two polio-stricken children holding on to a rail while they exercise their lower limbs.
In the early 1950s there were more than 20,000 cases of polio each year. After the polio vaccination was introduced in 1955 that figure dropped to about 3,000 per year by 1960.
فارسی:
فیزیوتراپی برای فلج اطفال در دهه ۱۹۵۰ میلادی امریکا.
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Permission
( Reusing this file ) |
PD-USGov-HHS-CDC
English:
None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.
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Licensing
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This image is a work of the
Centers for Disease Control and Prevention
, part of the
United States Department of Health and Human Services
, taken or made as part of an employee's official duties. As a work of the
U.S. federal government
, the image is in the
public domain
.
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