9781422276167

Epidemics and pandemics are one of the biggest threats to the world and are responsible for killing millions of people. Epidemics are outbreaks of diseases that occur within enclosed geographical boundaries. On the other hand, pandemics occur on a larger scale and have the capacity to wipe out entire towns, villages, and human populations. Even after successful elimination, both epidemics and pandemics can reemerge and cause havoc. Epidemic According to the World Health Organization (WHO), an epidemic is the outbreak of a disease that spreads quickly and affects many people. A disease

WORDS TO UNDERSTAND

chronic: persistent. acquired: here, refers to a trait the body develops after birth. inherent: here, refers to traits that a body already had at birth.

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