Hands should be washed before significant contact with any patient and after activities likely to cause contamination.

The Solar Probe Cup passed its tests with flying colors—indeed, it continued to perform better and give clearer results the longer it was exposed to the test environments. “We think the radiation removed any potential contamination,” Justin Kasper, principal investigator for the SWEAP instruments at the University of Michigan in Ann Arbor, said. “It basically cleaned itself.”

Those green suits are special suits for reducing the risk of biological contamination.

Milk is pasteurized to prevent contamination.

The lake is notorious for its contamination.

Radioactive contamination was detected in spinach and edible chrysanthemum.

Colleges and universities worldwide continue to close or move lessons online to restrict students and educators from assembling in large numbers and crowded spaces where viral COVID-19 contamination could occur.

It is essential to prevent salmonella contamination in hen egg production.

People are suffering from the contamination of the water supply.