Examples of efficacy in a Sentence
- In the planner's view, Rumsfeld had two goals: to demonstrate the efficacy of precision bombing and to "do the war on the cheap." —Seymour M. Hersh, New Yorker, 7 Apr. 2003
- Vaccines exist, but their efficacy against aerosolized plague is unknown. —Sharon Begley et al., Newsweek, 8 Oct. 2001
- … efficacy does not have to be demonstrated before homeopathic products are marketed. —Alison Abbott et al., Nature, 26 Sept. 1996
questioned the efficacy of the alarms in actually preventing auto theft
Recent Examples of efficacy from the Web
Because smallpox no longer infects people, it was tested for safety in 359 volunteers, and tested for efficacy in animals infected with close cousins of smallpox.
This update will be pushed to nightly for verification of the fix’s efficacy.
In 2017, the FDA’s Center for Drug Evaluation and Research denied 19.7 percent of all applications for new drugs, biologics, and efficacy supplements, down from a 2010 peak of 59.2 percent, according to agency data.
The available research on IUDs’ efficacy shows that hormonal IUDs only fail to do their jobs 0.2 percent of the time, and copper IUDs fail 0.8 percent of the time.
As Fortune reported last year, the drug’s sales flailed under Valeant since many insurers denied coverage for the pill, and Addyi was facing criticism for its high price point and reportedly low efficacy rates.
Since then, studies have shown TAVR’s efficacy in two groups of patients with health problems.
The therapeutic index is the ratio of a drug’s efficacy to its toxicity.
That’s far better than adult vaccine efficacy rates, which hovered around 36% this year.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'efficacy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
EFFICACY Defined for English Language Learners
: the power to produce a desired result or effect
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