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TEXAS - 1946 - The wartime invention of DDT is sprayed in Texas to stop the spread of infantile paralysis.
CIRCA 1946 - The wartime invention of DDT is sprayed in Texas to stop the spread of infantile paralysis.
CIRCA 1946 - DDT is sprayed and gatherings of young children are prohibited in San Antonio, Texas in response to a polio outbreak.
CIRCA 1940s - DDT insecticide is sprayed throughout the city of San Antonio to kill germs that were linked to child paralysis in 1946 in Texas.
CIRCA 1940s - An insecticidal fog is sprayed in a park and downtown and a stream is treated with DDT as well as a house.
CIRCA 1940 - German artillerymen and machine gunners fire on an enemy city. Other soldiers dig a foxhole.
1950s - The long fight in court to have landlords held accountable for their properties.

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1940s: DDT insecticide is sprayed throughout the city of San Antonio to kill germs that were linked to child paralysis in 1946 in Texas.

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