What is Public Health?
MedicineNet states the definition as: the approach to medicine that is concerned with the health of the community as a whole. Public health is community health. It has been said that: "Health care is vital to all of us some of the time, but public health is vital to all of us all of the time."
Coronavirus COVID-19 Symptoms, Causes, Prevention Nursing Review, by RegisteredNurseRN, March 2, 2020
Pandemic: An epidemic (a sudden outbreak) that becomes very widespread and affects a whole region, a continent, or the world. (www.medterms.com)