casual contact

American  

noun

1. the level of contact at which a person is not subject to contracting a communicable disease from another, especially nonsexual contact with a person infected with a venereal disease.

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Example Sentences

But, perhaps most notable, only about half of the 30,000 children infected with hepatitis B got it from their mothers; the other half contracted it through casual contact, likely from other household contacts.

From The Wall Street Journal • Oct. 3, 2025

It can also be spread through close physical contact with an infectious person; casual contact does not spread the virus.

From Los Angeles Times • Nov. 27, 2024

Morrison, who had been deemed a casual contact after attending an event last week along with a COVID-infected person, said he has been cleared to fly interstate to Queensland after negative test results.

From Reuters • Dec. 15, 2021

The Australian Olympic Committee said three of its athletes were still being kept isolated after “a brief casual contact with a U.S. track and field athlete who had tested positive.”

From Seattle Times • Jul. 29, 2021

Another part of the skinned anatomy touched the iron rail below, and the anatomist observed that this casual contact produced a convulsive twitching of the dead reptile's legs.

From Steam, Steel and Electricity by Steele, James W.