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.

Highly contagious, measles spreads quickly through coughs and sneezes and is particularly dangerous for unvaccinated young children under the age of 5.

From BBC • May 27, 2026

More than 90% of patients have been unvaccinated or have unknown vaccine status.

From Salon • May 20, 2026

San Bernardino County reported a measles case in an unvaccinated child traveling from another state.

From Los Angeles Times • Apr. 16, 2026

The spread of the highly infectious virus is largely occurring among unvaccinated individuals, particularly children and younger adults, state health data show.

From Los Angeles Times • Apr. 16, 2026

But a study in the early 1960s of seven thousand unvaccinated smallpox cases in southern India found that the disease killed 43 percent of its victims.

From "1491" by Charles C. Mann