Fast facts

lepto-fast-fact-one lepto-fast-fact-one lepto-fast-fact-one

Leptospirosis bacteria can survive in water or soil for months.

lepto-fast-fact-two lepto-fast-fact-two lepto-fast-fact-two

More common in warm climates and high rainfall, but can occur anywhere.

lepto-fast-fact-three lepto-fast-fact-three lepto-fast-fact-three

Risk of permanent liver or kidney damage, and possible uveitis.

Insert text here...

lepto-responsive-banner lepto-responsive-banner lepto-responsive-banner


Leptospirosis is commonly associated with active, outdoor dogs. But transmission can happen anytime a dog comes into contact with infected areas such as:




Contaminated soil or water


Shared surfaces like contaminated bedding


Through exposure to peri-urban wildlife such as squirrels

Dogs at risk

In the past, leptospirosis was more commonly diagnosed in rural areas, but it has now been seen more in suburban and urban areas.2

lepto-dogs-at-risk-graphic lepto-dogs-at-risk-graphic lepto-dogs-at-risk-graphic

Factors that put dogs at higher risk:

Being outdoors in areas where infected rodents, wildlife or farm animals

Contact with wet environments

Drinking from natural water sources

Direct contact with infected animals

Clinical signs and symptoms

Initial symptoms for leptospirosis can include the list below, but in severe cases it can develop into severe lung disease, bleeding disorders, or excess fluid in chest or abdomen. Without treatment leptospirosis can lead to severe kidney or liver damage, and can be fatal.2

  • Fever
  • Shivering
  • Muscle tenderness
  • Increased thirst
  • Dehydration
  • Vomiting
  • Diarrhea
  • Loss of appetite
  • Lethargy
  • Jaundice

Protect dogs with Vanguard

See the canine vaccines proven to protect against leptospira.

shop-vanguard-Vacciness shop-vanguard-Vacciness shop-vanguard-Vacciness

Shop Vanguard Vaccines

toolbox-graphic toolbox-graphic toolbox-graphic

Immunity Toolbox

product-support-graphic product-support-graphic product-support-graphic

Product Support

References :

1.30 Day Alert Maps. Pet Disease Alerts. Accessed November 14, 2021.

2.Schuller, et al (2015). European consensus statement on leptospirosis in dogs and cats. Journal of Small Animal Practice (2015) 56, 159–179 DOI:10.1111/jsap.12328. Picardeau, (2017). Virulence of the zoonotic agent of leptospirosis: still terra incognita? Nature Review, 15, doi:10.1038/nrmicro.2017.5.