Colorized electron micrograph of Treponema pallidum, the bacteria that cause syphilis. Several spiral-shaped bacteria have been highlighted in gold.

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Photo credit: © NIH-NIAID / IMAGE POINT FR / BSIP / Alamy / Afripics
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Keywords: allergy, bacteriumrodbacillusspiral-shaped, bacteriumspirochetespirochaetalesspirochaetaceaetreponematreponema, diseases, diseasesyphiliscolorizationnational, health, infectious, institute, institutes, microscopematerialmetalgoldorganizationinfectionsexually, national, pallidumgroupmicroscopeelectronic, transmitted