If the food has germs or it’s rotten
You should probably go see a doctor... but something may be causing a blockage to something in your throat, or your tonsils may be enlarged, or you might have strep throat, if your throat is hurting....
A web of causation model can vaccines and improved sanitation cause the death rate to decrease.
<h3>What web of causation model?</h3>
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;
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True. The heart does have four chambers.