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Canada finds first cases of Covid-19 in wildlife

Ottawa, Dec 2 : Canada has found the first cases of Covid-19 in three white-tailed deer, according to the Environment and Climate Change Canada.

On Monday, the National Centre for Foreign Animal Disease confirmed the first detections of SARS-CoV-2 in three free-ranging white-tailed deer in Canada, Xinhua news agency reported.

These deer were sampled between November 6 to 8 in the Estrie region of Quebec. Samples for SARS-CoV-2 were collected through a big-game registration station in southern Quebec. Similar to findings in the US, the deer showed no evidence of clinical signs of disease and were all apparently healthy, The World Organisation for Animal Health was notified on Wednesday.

"As this is the first detection of SARS-CoV-2 in wildlife in Canada, information on the impact and spread of the virus in wild deer populations is currently limited," said the Environment and Climate Change Canada said in a press release on Wednesday.

This finding emphasises the importance of ongoing surveillance for SARS-CoV-2 in wildlife to increase understanding about it on the human-animal interface, the press release added.

The Environment and Climate Change Canada calls for added precaution like wearing a well-fitted mask when exposed to "respiratory tissues and fluids from deer."

The virus has been found in multiple animal species globally, including farmed mink, cats, dogs, ferrets, and zoo animals such as tigers, lions, gorillas, cougars, otters, among others.

"Recent reports in the US have revealed evidence of spillover of SARS-CoV-2 from humans to wild white-tailed deer, with subsequent spread of the virus among deer. There has been no known transmission of SARS-CoV-2 from deer to humans at this time," the press release said.