A student researching pandemics has taken notes:
• Pandemics occur when diseases spread across multiple continents • Globalization has increased pandemic risk through rapid travel • Public health systems coordinate international responses • Vaccines and treatments can take years to develop • Early detection and containment are crucial for limiting spread
The student wants to explain why pandemics are harder to control in the modern era.
Pandemics occur when diseases spread across multiple continents simultaneously.
Globalization makes pandemics harder to control—rapid international travel spreads diseases faster than vaccines can be developed.
Public health systems now coordinate international pandemic responses.
Early detection and containment are crucial for limiting disease spread.
Correct Answer: B
Choice B. Rapid travel spreading faster than vaccine development explains modern difficulty.