Understanding Plague Pandemics

What is the cause of plague?

• Poor hygiene

• Polluted water

• A virus

• Bacteria called Yersinia pestis

How did plague pandemics spread among humans?

• Via insects carrying the disease

• Through contaminated food

• By airborne transmission

• Through direct contact

What was a major cause of plague pandemics?

• International trade

• Natural disasters

• Climate change

• Lack of medical knowledge

Which pandemic is known as the Black Death?

• The third plague pandemic

• The second plague pandemic

• The first plague pandemic

• The Spanish flu

What helped prevent further plague pandemics after the 19th century?

• The invention of the microscope

• The discovery of the bacteria causing plague

• The development of vaccines

• Quarantine measures