ENDEMICS, EPIDEMICS AND PANDEMICS

hese are terms that are sometimes confused, so it is necessary to distinguish them. is the term used when is the appearance of a particular disease in a large number of people at the same time. It is established when the number of cases of that disease is above what is normally expected in that population in that area. Thus, one can talk about an influenza epidemic in February in a particular place. A , however, is the global spread of a new disease across several countries or continents, affecting a large number of people. A viral outbreak could be classified as a pandemic if it is markedly different from the strains that have recently circulated, and if humans have little or no immunity to it. An example is the COVID-19 pandemic.