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Preventative Measures
Preventing the spread of disease is a major challenge addressed by government agencies. Examining the health of new immigrants and placing astronauts in temporary quarantine are examples of attempts that were made to stem the spread of illness to the wider populace.
Coming to America

Evaluating Arrivals

1960s

Customs

Customs Quarantine

Various Dates

NASA

NASA Astronauts

July-August 1969

Vessel Inspections

Vessel Inspections

Various Dates

 
Spraying for Malaria

Spraying for Malaria

1940s

 
Experiments

Environmental Experiments

August 23, 1950