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.

Ever since it first emerged, Covid has been mutating or shape-shifting and becoming incrementally different.

From BBC • Aug. 10, 2023

The first being that the virus has been mutating, which may reduce efficacy of the initial vaccine.

From Salon • Jul. 19, 2022

Ever since it first emerged, Covid has been mutating or shape-shifting.

From BBC • Jul. 1, 2022

Ever since it first emerged, Covid has been mutating or shape-shifting, creating new variants and subvariants.

From BBC • Jun. 17, 2022

That's because the Ebola virus has been mutating at its normal pace during the current West African epidemic, researchers report in the March 26 issue of the journal Science.

From US News • Mar. 26, 2015