A serious bacterial infection has been confirmed in an unvaccinated dog in Jersey, prompting the island's States vet to recommend vaccination for pets. New Era Veterinary Hospital reported the case of leptospirosis, a disease that can affect both animals and humans.

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States vet Susana Ramos noted that while cases of leptospirosis are "relatively infrequent," they do occur. She stated, "The best way to prevent leptospirosis in dogs is to vaccinate. Please discuss vaccination with your private vet."

Leptospirosis is transmitted through the urine of infected animals, including rats. Dogs can become infected by coming into contact with contaminated water or soil. The illness can manifest in dogs through symptoms like vomiting, diarrhea, lethargy, loss of appetite, and increased thirst.

Ramos mentioned that outbreaks are often associated with heavy rainfall and flooding, as contaminated water facilitates transmission. It's important to note that leptospirosis is not classified as a notifiable or reportable disease in Jersey, meaning that cases do not need to be reported to the government.

According to the UK Health Security Agency, humans can contract the disease through direct exposure to animal urine or contaminated environments, although human-to-human transmission is rare.