Factors that must be considered as causes of outbreak are categorized

Factors that must be considered as causes of outbreak are categorized as agents, hosts, and environmental factors. There are several types of agents. Viruses, fungi, and parasites are considered

1. Physical agents
2. Chemical agents
3. Biological agents
4. Nutrients

ESSAYBID ANSWER

ANS: 3
Viruses, fungi, and parasites are considered biological agents.