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.

The first polio vaccine, which went into use in 1955, was a shot containing inactivated polioviruses, and although it protected people from paralytic disease, it did little to stop poliovirus transmission.

From Science Magazine • Sep. 18, 2023

Wastewater surveillance has been critical in finding vaccine-derived polioviruses in the United Kingdom and Israel before any paralytic cases have been detected, Orenstein said.

From Washington Post • Nov. 30, 2022

She found that harmless enteroviruses in the intestinal tract appeared to interfere with the polioviruses.

From Science Magazine • Nov. 17, 2022

They offered crucial information about who is at risk, who might need boosters, why vaccination is the most important preventive against polio, and how vaccine-derived and wild polioviruses differ.

From Scientific American • Sep. 29, 2022

To eradicate polio, the world must eradicate all wild polioviruses and vaccine-derived polioviruses.

From Seattle Times • Sep. 19, 2022