This bacterial disease can affect the kidneys and the liver and is transmitted through contaminated water and infected urine. Your puppy can be vaccinated against leptospirosis at 10 to 12 weeks, then again at 13 to 15 weeks. Be aware that not all clinics vaccinate for leptospirosis, so ask your veterinarian if it's appropriate for your puppy.
Symptoms: Symptoms of leptospirosis are flu-like: Vomiting and/or fever and/or lethargy.
Recovery time: Depending on the severity of the infection, an antibiotic course can last four weeks or more.