Third-person singular simple present indicative form of infect.(verb)
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Use "infects" in a sentence
"The epidemic "infects" not only the people but also the national economies."
"I might not be understanding what you were getting at, but the word 'infects' would be why."
"Developed as a treatment for severe anemia, Repoxygen therapy "infects" patients with a virus carrying a gene that prompts cells to produce erythropoietin, or EPO, a protein that boosts red blood cell production and endurance."