A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary host is RATS.

A genus of question mark-shaped bacteria spirochetes which is found in fresh water that is contaminated by animal urine. It causes LEPTOSPIROSIS.

Infections with bacteria of the genus LEPTOSPIRA.

A severe form of LEPTOSPIROSIS, usually caused by LEPTOSPIRA INTERROGANS SEROVAR ICTEROHAEMORRHAGIAE and occasionally other serovars. It is transmitted to humans by the rat and is characterized by hemorrhagic and renal symptoms with accompanying JAUNDICE.

A genus of aerobic, helical spirochetes, some species of which are pathogenic, others free-living or saprophytic.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose natural host is DOGS where disease is characterized by GASTROENTERITIS, and INTERSTITIAL NEPHRITIS.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary hosts include CATTLE and SWINE.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, characteristically associated with a severe zoonotic disease in humans.

Tests that are dependent on the clumping of cells, microorganisms, or particles when mixed with specific antiserum. (From Stedman, 26th ed)

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose frequent host is CATTLE.

A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary host is the MOUSE.