Define pathogens.

Pathogens are buildings, power supply, and other services in a community.
Pathogens are paths and routes that humans build to help escape a flood and reduce its impact.
Pathogens are disease-causing organisms that can negatively impact humans during a flood.
Pathogens are pollutants such as oil and other toxic materials that are in floodwaters.

The correct definition of pathogens is disease-causing microorganisms such as bacteria, viruses, parasites, and fungi that can infect and harm humans, animals, and plants. These pathogens can spread through various means, including contaminated water, food, air, and direct contact with infected individuals.