Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He said the person who had tested positive to Andes virus was placed in a biocontainment facility and was not experiencing any symptoms.

From BBC • May 11, 2026

The Leiden University Medical Centre in the Netherlands later announced another patient had tested positive.

From Barron's • May 7, 2026

The patient had tested negative for other viruses, including Covid-19, influenza and Legionnaires’ disease, Weyer said.

From The Wall Street Journal • May 6, 2026

The FDA said several seasoned batches had tested negative for salmonella.

From Los Angeles Times • May 5, 2026

As required by law, he had tested the chemical on laboratory animals and submitted the results with his application.

From "Silent Spring" by Rachel Carson