Babesia infection in dogsWhat is Babesiosis?
Babesiosis is a malaria-like disease caused by a microscopic parasite (Babesia Canis). The parasite is carried and transmitted by ticks.What has changed?
Babesiosis has been diagnosed in UK dogs before but in all those cases the dogs contracted the infection abroad. For the first time there is an outbreak of Babesiosis in the UK. Four dogs in Harlow, Essex, with no history of foreign travel have contracted the disease. Unfortunately, one of these dogs has died.How is it transmitted?
Babesia Canis is predominately transmitted by the Dermacentor reticularis tick (Ornate Cow tick). In warmer climates (Southern Europe) it is also transmitted by the Rhipicephalus sanguineus tick (Brown Dog Tick).
It is the D. Reticularis tick that was implicated in the recent outbreak in Essex. Importantly, D. Reticularis is not widespread in the UK, with only very limited confirmed populations in isolated areas in the UK.
The Brown Dog Tick (Rhipicehalus Sanguineus) is not currently established in the UK but there are reports of dogs returning from abroad carrying it and subsequently establishing in households.
The infection results in anaemia following destruction of the patientâ€™s red blood cells. Signs of infection include pale gums, high fever, weakness, red urine and collapse in severe cases.How is it diagnosed?
Vets can in most cases diagnose the infection by looking at a blood smear. There is also a PCR blood test available if the blood smear results are inconclusive.How is the disease treated?
There is effective treatment for the infection. It normally consists of two injections given two weeks apart. More severe affected cases might need supportive care, which can include blood transfusions.How can I protect my dog?
Regular control of ticks by using an effective product is the best way to protect your dog. It takes at least two days for the tick to transmit the parasite to a dog, so we advise you examine your dog carefully after walks, particularly in woods or fields. Any ticks found should be removed with a tick remover to ensure all parts are removed successfully.Can the disease be transmitted to humans?
The is no risk to humans from Babesia Canis.What is the prognosis?
Early diagnosis is the key. With appropriate treatment 85 to 90% of patients should recover from the infection.Should I be worried?
It is very important to point out that the tick implicated in the outbreak is at the moment only found in very limited areas in the UK. You can find an up to date distribution map here.What will we do?
We will monitor the situation closely and keep you up to date on any new developments in the outbreak. Milton Keynes Veterinary Group has recently taken part in the â€˜Big Tick Projectâ€™, run by Bristol University. In total vets across the country have collected 6, 372 ticks for analysis for tick borne diseases, including Babesiosis and Lyme disease. The results of this study will be available later this year and we will update our clients on the results.
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