Le Lézard
Classified in: Health
Subjects: PET, PSF, CFG

Public Health Notice - Outbreak of Salmonella illnesses linked to snakes and rodents


OTTAWA, Dec. 10, 2019 /CNW/ - Original Notice

Why should you take note

The Public Health Agency of Canada is collaborating with provincial public health partners to investigate an outbreak of Salmonella infections occurring in six provinces. The outbreak is ongoing, as recent illnesses continue to be reported to the Public Health Agency of Canada.

Based on the investigation findings to date, exposure to both snakes and rodents has been identified as the likely source of the outbreak. Many of the individuals who became sick reported having direct or indirect contact with snakes, pet rats and feeder rodents (used as reptile food) before their illnesses occurred. The investigation is ongoing, and it is possible that other sources could be identified.

In an effort to prevent further illnesses, Canadians are advised to practise good hand hygiene, frequent handwashing and safe handling of snakes and rodents, their food and their environments.

This public health notice will be updated as the investigation evolves.

How do you get Salmonella from snakes and rodents

Both reptiles and rodents can carry Salmonella bacteria even though they appear healthy and clean and show no signs of illness. Even having indirect contact with these animals or their environments can put you at risk for developing a Salmonella infection. For example, children playing in a room where a reptile was previously allowed to roam can be at risk of an infection.

Investigation summary

As of December 10, 2019, there are 92 confirmed cases of Salmonella Typhimurium illness in the following provinces: British Columbia (4), Ontario (16), Quebec (52), New Brunswick (9), Nova Scotia (5) and Newfoundland and Labrador (6). Individuals became sick between April 2017 and October 2019. Six individuals have been hospitalized. No deaths have been reported. Individuals who became ill are between 0 and 88 years of age. The majority of cases (57%) are female.

The collaborative outbreak investigation was initiated this fall because of an increase in reports of Salmonella Typhimurium illnesses in multiple jurisdictions across Canada. Cases have continued to be reported since the investigation was initiated. Through the use of a laboratory method called whole genome sequencing, some Salmonella Typhimurium illnesses dating back to 2017 and 2018 were identified to have the same genetic strain as the illnesses that occurred in 2019.

It is possible that more recent illnesses may be reported in the outbreak because there is a period of time between when a person becomes ill and when the illness is reported to public health officials. For this outbreak, the illness reporting period is between 4 and 5 weeks.

In Canada, Salmonella Typhimurium is a common strain with an average of 750 cases reported per year to the Public Health Agency of Canada. There have been past outbreaks of Salmonella illnesses linked to snakes and rodents, and the findings from these investigations have highlighted the important role snake and rodent owners can play in preventing new illnesses linked to these types of pets.

Who is most at risk

Anyone can become sick with a Salmonella infection, but children aged 5 years and under, older adults, pregnant women or people with weakened immune systems are at higher risk for contracting serious illness.

Most people who become ill from a Salmonella infection will recover fully after a few days. It is possible for some people to be infected with the bacteria and to not get sick or show any symptoms, but to still be able to spread the infection to others.

What should you do to protect your health

Following these simple steps will help to reduce your risk of becoming ill from contact with reptiles, rodents and their environments.

Symptoms

Symptoms of a Salmonella infection, called salmonellosis, typically start 6 to 72 hours after exposure to Salmonella bacteria from an infected animal, person, or contaminated product.

Symptoms include:

These symptoms usually last for 4 to 7 days. In healthy people, salmonellosis often clears up without treatment. In some cases, severe illness and hospitalization may occur. In some cases, antibiotics may be required. People who are infected with Salmonella bacteria can be infectious from several days to several weeks. People who experience symptoms, or who have underlying medical conditions, should contact their health care provider if they suspect they have a Salmonella infection.

What is the Government of Canada doing

The Government of Canada is committed to protecting the health of Canadians from enteric disease outbreaks. The Public Health Agency of Canada leads the human health investigation into an outbreak and is in regular contact with its federal, provincial and territorial partners to monitor the situation and to collaborate on steps to address an outbreak.

The Government of Canada will continue to update Canadians if new information related to these investigations becomes available.

Additional information

 

SOURCE Public Health Agency of Canada


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