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Canada detects first presumptive human H5 bird flu case

Canada has detected its first presumptive case of H5 bird flu in a person, a teenager in the western province of British Columbia, health officials said on Saturday.

The teenager likely caught the virus from a bird or animal and was receiving care at a children’s hospital, the province said in a statement.

The province said it was investigating the source of exposure and identifying the teenager’s contacts. The risk to the public remains low, Canada’s Health Minister Mark Holland said in posting on X.

“This is a rare event,” British Columbia Health Officer Bonnie Henry said in a statement. “We are conducting a thorough investigation to fully understand the source of exposure here in B.C.”

Microbiologist Anne Vandenburg-Carroll tests poultry samples collected from a farm located in a control area for the presence of bird flu at the Wisconsin Veterinary Diagnostic Laboratory at the University of Wisconsin-Madison on March 24, 2022. The Centers for Disease Control and Prevention has identified 46 human cases of bird flu since April. Getty Images

H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and US dairy cows, with several recent human cases in US dairy and poultry workers.

There has been no evidence of person-to-person spread so far. But if that were to happen, a pandemic could unfold, scientists have said.

Earlier in November, the US Centers for Disease Control and Prevention asked for farm workers who have been exposed to animals with bird flu to be tested for the virus even if they do not have symptoms.


H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and US dairy cows, as well as several recent human cases in US dairy and poultry workers.
H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and US dairy cows, as well as several recent human cases in US dairy and poultry workers. AP

Bird flu has infected nearly 450 dairy farms in 15 US states since March, and the CDC has identified 46 human cases of bird flu since April.

In Canada, British Columbia has identified at least 22 infected poultry farms since October, and numerous wild birds tested positive, according to the province.

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