Leptospirosis ( Rat fever )
Cause: Bacterial infection by Leptospira interrogans or Leptospira species.
Geography: Common in tropical areas & warmer climates with high annual rainfall
Transmission: Spread by wild & domestic animals, like rodents, cattle, pigs etc
Symptoms: Onset occurs 2-30 days after exposure; the disease may have 2 phases.
Treatment: Treatable with antibiotics, including penicillin and doxycycline.