Letter E

Epidemic

The occurrence of more cases of a disease than would be expected in a community or region during a given time period.

A sudden severe outbreak of a disease such as SARS.

From the Greek 'epi-', 'upon' + 'demos', 'people or population' = 'epidemos' = 'upon the population.' See also: Endemic; Pandemic

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It does not replace the advice of a physician, pharmacist or other healthcare professional.
It does not represent a prescription of drugs, diagnostic exams or therapies.
In case of symptoms, doubts or concerns about your health, always consult a qualified physician.

In case of emergency call 911 (US) or 112 (EU).