Which factor(s) is (are) contributing to the increase in the spread and occurrence of many diseases?

Question

Quizplus · Accepted Answer

All the listed factors contribute to the spread and occurrence of diseases: international travel facilitates the rapid spread of pathogens across borders, overuse and misuse of antibiotics lead to antibiotic resistance, and an increasing population can lead to overcrowding and increased transmission of diseases.

Which Factor(s) Is (Are) Contributing to the Increase in the Spread