Topics: Infectious Diseases & the WHO Quiz
What was the last large scale pandemic to hit the world?
A. German Measles
B. Russian Fever
C. Spanish Flu
D. Welsh Whooping Cough
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What was the biggest source of contamination of fresh drinking water in early civilizations?
A. Animals living close to people
B. Lack of a water source (desert conditions)
C. Wells that are not dug deep enough
D. Aqueducts were not built high enough