''Leptospiraceae'' include the pathogens of the genus ''Leptospira'', whereas ''Spirochaetaceae'' include the pathogens of the genera ''Borrelia'', ''Brachyspira'' and ''Treponema''. Spirochaetes may cause zoonotic infections. | ''Leptospiraceae'' include the pathogens of the genus ''Leptospira'', whereas ''Spirochaetaceae'' include the pathogens of the genera ''Borrelia'', ''Brachyspira'' and ''Treponema''. Spirochaetes may cause zoonotic infections. |