Of, pertaining to, or afflicted with typhoid fever(adjective)
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Use "typhoidal" in a sentence
"At dawn that morning, the truck driver had pulled up in the fourteen-wheeler to a grassy clearing on the north bank of the Tana River, where crocodiles skulked in typhoidal water in the viridescent shadow of mangrove trees."
"I have thousands of non-typhoidal strains as well."
"When I have typhoidal strains people just call me S. typhi."