For measles, populations need vaccination rates of 95 percent or higher to achieve herd immunity—the level of protection required to prevent disease spread.
—
Lauren J. Young,
Scientific American,
18 Sep. 2026
Visiting Mompox required AmaWaterways to build a new docking bridge, but other towns are more difficult to access.
—
Charlie Hobbs,
Condé Nast Traveler,
17 Sep. 2026
Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.