Respuesta :

A web of causation model can vaccines and improved sanitation cause the death rate to decrease.

What web of causation model?

A web of causation model is  a model designed to relate the causes and effects of a disease,  exploring  multiple causative factors and  giving each same attention  for such  chronic disease.

For example, a web of causation model for a person who contracted Corona virus would study the factors involved relating to how such  person may have contracted this disease, any health factors that make the person prone to contracting the virus etc.

Thus, Web of causation model  is an epidemiological model  used to organize research  so as to identify determinant factors  and  provide relevant interventions and cure to a chronic disease.

To learn more about epidemiological transition click here;

https://brainly.com/question/13497485

#SPJ4