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Delaware County Health Department Epidemiology Report

For your review, attached are The Delaware County Heath Department Epidemiology links for 2022 Annual Infectious Disease Summary Report and the 2021 Delaware County Child Lead Report.

Delaware County Health Department


Promote healthy lifestyles and prevent diseases and conditions affecting our communities’ well-being, quality of life, and economies.

Epidemiology is the method used to find the causes of health outcomes and diseases in populations. In epidemiology, the patient is the community and individuals are viewed collectively. Epidemiology is the study (scientific, systematic, and data-driven) of the distribution (frequency, pattern) and determinants (causes, risk factors) of health-related states and events (not just diseases) in specified populations. It is also the application of this study to the control of health problems.

Examples of epidemiological Investigations include contagious diseases like influenza (flu), COVID-19, or sexually transmitted infections food or waterborne illnesses, injuries like homicides and domestic violence, non-infectious diseases (cancer, diabetes, heart disease)

environmental exposures (lead, air pollution impacting respiratory illnesses), natural disasters, and acts of terrorism.

Investigations usually involve teams of disease investigators that contact affected individuals to ask questions about their exposure to factors associated with the development of a disease or condition.

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