Extra instances of H5N1 have been confirmed in each people and in poultry in Weld County, Colorado.
Human instances
The Colorado Division of Public Well being and Surroundings (CDPHE) reported that six staff concerned with the extremely pathogenic avian influenza (HPAI) response to an affected layer flock in Weld County have examined optimistic for the H5N1 virus.
On July 20, at some point after the company reported the variety of human instances had climbed to 6, it reported one other presumed optimistic case, associated to a separate Weld County flock.
Beforehand, the company and the U.S. Facilities for Illness Management and Prevention (CDC) had reported 4 confirmed human instances of H5N1 and one presumed-positive case.
CDPHE said that the employees had gentle signs, together with conjunctivitis (pink eye) and customary respiratory an infection signs, however none have been hospitalized.
HPAI in Weld County poultry
The USA Division of Agriculture (USDA) Animal and Plant Well being Inspection Service (AHPIS) reported that on July 19, the presence of HPAI was confirmed in a flock of business desk egg pullets in Weld County.
Nevertheless, APHIS has not but reported the scale of that pullet flock.
Up to now in 2024, Weld County has three flocks affected by HPAI. The primary two each concerned business desk egg layers, with these flocks involving 1,313,800 and 1,790,800 birds. All three flock infections occurred in July.
The state’s solely different business poultry flock to be affected by HPAI in 2024 was a business broiler breeder flock in Delta County. The presence of the virus was confirmed in that flock of 66,500 chickens on February 8.
Weld County additionally had six business poultry flocks struck by HPAI in 2024, however the county’s solely instances in 2023 concerned yard poultry.
View our persevering with protection of the world avian influenza state of affairs.Â