Answer:
As countries develop economically from being low-income to higher income, the most significant epidemiologic trend is:
d. The share of communicable disease declines and the share of non-communicable disease increases.
Explanation:
Based on the increased economic development, vaccines are more widespread. Thus, the prevalence of communicable or infectious diseases is reduced drastically. However, there are no vaccines for non-communicable diseases such as Parkinson's disease, autoimmune diseases, strokes, heart diseases, cancers, diabetes, chronic kidney diseases, osteoarthritis, osteoporosis, Alzheimer's disease, and cataracts. Unfortunately, most of these non-communicable diseases (NCDs) are suffered more by the older people.
