Answer:
Through the use of a case-control study, the cause which is insects could be found.
containment of the outbreak Could be done with their help.
discovery of the pathogenicity of the outbreak could be done.
lastly, the virulence could be found.
How do epidemiologists play a role in the diagnosis, treatment, and prevention of chronic illnesses, such as cancer or heart disease?:
They do this by studies to find things that could be linked then measures could be taken to lessen symptoms by counteracting what they found as well as preventing people from being infected by those in the first place.
