- plural of efficacy.
efficacies
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.
For the next pandemic, if we have certain vaccines with starting efficacies, we can predict the minimum proportion we need to vaccinate to achieve vaccine-induced herd immunity.
From Scientific American ● Apr. 6, 2023
To get a little technical, the Pfizer data, in particular, had wide confidence intervals—basically, the efficacies are more like pretty good estimates, than numbers that the scientists are really certain of.
From Slate ● Jun. 22, 2022
Still, the vaccines, shown in clinical trials to have efficacies of up to 95% against symptomatic disease, have finally given the world the prospect of an escape from COVID-19’s long siege.
From Science Magazine ● Feb. 16, 2021
Further tests would be needed to judge how much the 2P mutation contributes to the overall efficacies of the frontrunner vaccines.
From National Geographic ● Dec. 31, 2020
He will inquire of art,—the empiric art,—and rude accident, what latent efficacies they have detected in her, what churlish secrets of hers they have wrung from her.
From The Philosophy of the Plays of Shakspere Unfolded by Delia Bacon
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