The origin and definition of 10 COVID-19-related terms

Here are 10 terms everyone should know to help them and others in their families and communities understand the disease and avoid contracting it.

Asymptomatic. This term simply means “presenting no symptoms of disease,” but the connotation is that the asymptomatic person or animal has a disease but shows no signs of it. The insidious possible result is that such a person, unaware that contagion is a risk, may spread the disease to others, who are also unsuspecting. The term is the antonym of symptomatic, the adjectival form of symptom, which is from the Greek term for “attribute” and means “evidence” or “indication.”

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