Petra, who has been working as a public health educator in rural areas for 30 years, has recently noticed a phenomenon in which the infectious diseases of childhood have been overtaken by the chronic, noncommunicable diseases typical of adulthood. What is the term for the phenomenon that Petra is witnessing

Epidemiological transition

Explanation:

Epidemiological transition can be defined as the changes in the model or shape of mortality, fertility, lifelines and known causes of death. It is simply the changes in death and disease model or pattern.

In the World today, the life expectancy ratio has increased a lot and likewise the death rate especially from unknown causes such as disease and other factors. There is no one way of death or one disease. There are several diseases affecting man like pneumonia, cholera e. t. c. Which has increase death rate.

It is very complex and dynamic.disease and health do change in different ways over the years.