United States USA Date:1922 Duration:3 min 24 sec Sound:NO SOUND
Illustration of how disease causing micro-organisms spread during day-to-day events. It is exemplified with the exchange of money with a cab driver. Transmission can also take place while turning the pages of book. The documentary is called - The Science of life, made under the supervision of the Surgeon General of U.S. Public Health Service. 1922.
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