Colorado confirms first human case of bird flu in US, but health officials say risk is low 2022-04-28 20:20:33


The first identified human case in the United States of the H5N1 virus, known as bird flu and commonly transmitted between poultry and wild birds, was found in a Colorado man working on a West Slope poultry farm.

The Colorado Department of Public Health and Environment monitors and tests people who have been exposed to poultry and wild birds for bird flu, according to a news release.

Earlier this week, a test revealed the presence of the influenza virus in a single nasal sample of a man who worked on a farm with infected poultry, the press release said.

On Wednesday, the Centers for Disease Control and Prevention confirmed the test. However, the repeated test on the man was negative.

Health officials said the virus could potentially be in a person’s nose without causing infection.

“We may never know if that person was really infected, meaning the virus was reproducing in their body, or if the virus was just transiently in their nose and picked up by a nasal swab test,” said Dr. Rachel Hurley, Colorado State. Epidemiologist.

Hurlihy said both the Centers for Disease Control and Prevention and the state consider the discovery a “confirmed case.” “He’s the first person in the United States to have this virus.”

UK public health officials confirmed the appearance of the H5N1 virus in January 2022 in an asymptomatic person who had direct contact with infected birds, according to the press release.

Earlier this month, the Denver Zoo Outdoor bird fairs closed and bringing the animals indoors to try to prevent transmission of the highly contagious bird flu, which has been detected in Denver and other parts of Colorado.

Also in April, USDA inspectors confirmed The first case of bird flu In a backyard chicken flock in Colorado, in Pitkin County.

The state health department said the Colorado man, who is under 40, is largely asymptomatic, only reporting fatigue. He is in isolation and receiving the anti-flu drug oseltamivir (Tamiflu), according to CDC guidelines.

“Scientists believe that the risk to people is low as H5 influenza viruses are circulating among wild birds and poultry,” the statement said. It does not usually infect humans and does not spread from person to person. There are currently no known cases of H5 influenza virus spreading between people. There are no other confirmed human cases in Colorado or the United States at this time.”

The positive result is associated with a commercial farm in Montrose County. The affected herd was euthanized and euthanized with guidance from the Colorado Department of Agriculture and the United States Department of Agriculture.

“We want to reassure Coloradans that the risks they are exposed to are low,” Hurlihy said.