Last Modified: March 12, 2025
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Detections of Highly Pathogenic Avian Influenza in Mammals
Last Modified: March 12, 2025
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St. Charles County, Missouri
/https://en.wikipedia.org/wiki/St._Ch...unty,_Missouri
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Detections of Highly Pathogenic Avian Influenza in Mammals
Last Modified: August 13, 2024
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state county date_collected date_detected hpai_strain species
Missouri St. Charles 07/11/2024 08/09/2024 EA H5 Red fox
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Today at 4:00 a.m.
WASHINGTON -- As the number of dairy cows infected with a strain of bird flu virus grows across the country, 17 of Missouri's roughly 60,000 dairy cows have been tested while agriculture officials and farmers keep watch for signs that the outbreak has entered the state.
So far, Missouri farmers haven't reported any cows with the virus, called H5N1, state officials said....
"You want to work on the assumption that it's there, and you're trying to find it," said Amesh Adalja, a senior scholar at Johns Hopkins Center for Health Security, who focuses on pandemic policy and the intersections of infectious disease and national security. Adalja said 17 tests aren't enough to give him confidence that Missouri's herds are virus-free.
"Just because you're not looking doesn't mean it's not there, that you're going to avoid the consequences," Adalja said.
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The fact that no farms are reporting symptoms in cows is the best indication that H5N1 is not in Missouri, state officials said. One of the reasons they believe Missouri has avoided the virus is because the state imports so few cows.
Missouri's tests on 17 dairy cows, as of Monday, occurred because the animals were being moved across state borders. However, it remains unclear how the virus is circulating, and in some states, herds have become infected despite no movements of cattle.
It appears that farm workers may be involved in the outbreak's spread, but Missouri has minimal shared labor between farms, state officials said.
continued: https://www.newstribune.com/news/202...ird-flu-virus/
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News Release
Home » News » 2024 » Missouri Department of Agriculture Announces Dairy Cattle Protocols for the 2024 Missouri State Fair
July 02, 2024
Missouri Department of Agriculture Announces Dairy Cattle Protocols for the 2024 Missouri State Fair
JEFFERSON CITY —
The Missouri Department of Agriculture and Missouri State Veterinarian Steve Strubberg announce updated biosecurity protocols for dairy cattle exhibiting at the 2024 Missouri State Fair, scheduled for Aug. 8-18 in Sedalia.
All lactating dairy cattle must have a negative H5N1 influenza test within seven days prior to arrival at the Missouri State Fairgrounds.
Lactating cows should be milked on personal milking machines. The Fairgrounds milking parlor will not be made available to exhibiting dairy cattle.
“These health requirements are in place for the 2024 Missouri State Fair in an effort to protect the dairy industry and all of agriculture,” Dr. Strubberg said. “There have been no cases of H5N1 influenza detected in Missouri dairy cattle. Still, we want to operate in a manner of caution while allowing dairy exhibitors the opportunity to show their animals.”
MDA has provided guidelines for testing lactating dairy cows. Testing must be completed at a NAHLN veterinary diagnostic laboratory, such as the MDA Animal Health Laboratory in Springfield or the University of Missouri Veterinary Medical Diagnostic Laboratory in Columbia, with samples submitted by an accredited veterinarian. There will be no laboratory charges for the test and results can be reported upon arrival to the Fair with a lab report or on the Certificate of Veterinary Inspection document.
Exhibitors and their veterinarians are asked to alert the laboratory prior to submission to ensure adequate time is allowed for results prior to the Missouri State Fair. Samples must be collected from each lactating cow within seven days of arrival to the Fairgrounds.
The use of portable milking machines is another step to avoid spreading the virus unknowingly from one herd to another. Missouri State Fair staff will work with exhibitors to collect and properly dispose of the milk, which will not enter the food supply.
“The dairy cattle show is an important and historical part of the Missouri State Fair,” Strubberg continued. “We want to do everything possible to continue the tradition of exhibiting dairy cattle at the Fair, while also maintaining healthy, safe dairy herds.”
For more information about the Missouri Department of Agriculture and its programs, visit the Department online at Agriculture.Mo.Gov.
See a full schedule of events for the Missouri State Fair at MoStateFair.com.
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Excerpts from the report:
NEW OUTBREAKS
South Dakota
Brown County
Farm
A commercial dairy premises. Clinical sign in lactating cattle included a drop in milk production.
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Texas
Hale County
Farm
A commercial dairy premises. Clinical sign in lactating cattle included a drop in milk production, decreased feed consumption, pyrexia and increased somatic cell counts.
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North Carolina
Wake
Farm
A commercial dairy premises. In order to protect data confidentiality, the second administrative division represents the approximate location of the laboratory that conducted the initial testing.
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New Mexico
Curry County
Farm
A commercial dairy premises. Clinical signs in lactating cattle included mastitis.
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Texas
Castro County
Farm
A commercial dairy premises. Clinical sign in lactating cattle included a drop in milk production and loose manure.
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Texas
Dallam County
Farm
A commercial dairy premises. Clinical sign in lactating cattle included a drop in milk production.
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New Mexico
Curry County
Farm
A commercial dairy premises. Clinical sign in lactating cattle included a drop in milk production.
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New Mexico
Curry County
Farm
A commercial dairy premises. Clinical sign in lactating cattle included a drop in milk production.
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New Mexico
Curry County
Farm
A commercial dairy premises. Clinical sign in lactating cattle included a drop in milk production
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Michigan
Montcalm County
Farm
A commercial dairy premises. Clinical signs in lactating cattle included decreased milk production and fever.
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Ohio
Wood County
Farm
A commercial dairy premises. Clinical signs in lactating cattle included decreased feed consumption, drop in milk production and yellow/thickened milk.
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Missouri
Jackson County
Wild red fox (Vulpes vulpes). Samples were collected as part of a morbidity / mortality investigation.
Cases 1
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Kentucky
Bourbon County
Wild mink (Neovison vison). Samples were collected as part of a morbidity / mortality investigation.
Cases 1
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New York
Greene County
Wild racoon (Procyon lotor).
Cases 1Leave a comment:
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Missouri - Avian flu in mammals and livestock 2024-2025
United States of America - Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-) - Follow up report 46
GENERAL INFORMATION
COUNTRY/TERRITORY OR ZONE
ZONE
ANIMAL TYPE
TERRESTRIAL
DISEASE CATEGORY
Listed disease
EVENT ID
4451
DISEASE
Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-)
CAUSAL AGENT
Highly pathogenic avian influenza virus
GENOTYPE / SEROTYPE / SUBTYPE
H5N1
START DATE
2022/03/30
REASON FOR NOTIFICATION
Unusual host species
DATE OF LAST OCCURRENCE- CONFIRMATION DATE
2022/05/05
EVENT STATUS
On-going
END DATE- SELF-DECLARATION
NO REPORT INFORMATION
REPORT NUMBER
Follow-up report 46
REPORT ID
FUR_166872
REPORT REFERENCE- REPORT DATE
2024/04/11
REPORT STATUS
Validated
NO EVOLUTION REPORT
EPIDEMIOLOGY
SOURCE OF EVENT OR ORIGIN OF INFECTION- Contact with wild species
- Unknown or inconclusive
Highly pathogenic avian influenza (HPAI) H5N1 Eurasian lineage goose/Guangdong clade 2.3.4.4b has been confirmed in samples from dairy cattle in Idaho (ID), Kansas (KS), Michigan (MI), New Mexico (NM), North Carolina (NC), Ohio (OH), South Dakota (SD) and Texas (TX). Updates to the detections of highly pathogenic avian influenza (HPAI) in livestock can be found at: https://www.aphis.usda.gov/livestock...ions/livestock. Wildlife detections unrelated to these livestock detections are reported from Missouri (MO), Kentucky (KY) and New York (NY).
QUANTITATIVE DATA SUMMARY
MEASURING UNIT
Animal
SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Coyote (WILD)NEW------TOTAL-1-1-- Cats (DOMESTIC)NEW------TOTAL-714-- Virginia Opossum (WILD)NEW------TOTAL-431-- Domestic cat (WILD)NEW------TOTAL-611-- Goats (DOMESTIC)NEW------TOTAL16555--- Gray Seal (WILD)NEW------TOTAL-11--- Bobcat (WILD)NEW------TOTAL-752-- Striped Skunk (WILD)NEW------TOTAL-422714-- American Mink (WILD)NEW-1----TOTAL-1---- Tiger (WILD)NEW------TOTAL-11--- Harbor Seal (WILD)NEW------TOTAL-21192-- Racoon (Northern raccoon) (WILD)NEW-1----TOTAL-1654-- Puma (WILD)NEW------TOTAL-2222--- Bottlenose dolphin (WILD)NEW------TOTAL-11--- American Black Bear (black bear) (WILD)NEW------TOTAL-413-- Brown bear (Grizzly Bear) (WILD)NEW------TOTAL-431-- Polar Bear (WILD)NEW------TOTAL--1--- Red Fox (WILD)NEW-1----TOTAL-864819-- Amur Leopard (WILD)NEW------TOTAL-11--- Fisher (WILD)NEW------TOTAL-321-- North American river otter (WILD)NEW------TOTAL-11--- American marten (WILD)NEW------TOTAL-11--- Abert's squirrel (WILD)NEW------TOTAL-1---- Bovine (DOMESTIC)NEW------TOTAL-90000 All speciesNEW-3----TOTAL1652451495300
DIAGNOSTIC DETAILS
CLINICAL SIGNS
YES
METHOD OF DIAGNOSTIC
Clinical, Diagnostic testhttps://wahis.woah.org/#/in-review/4451Real-time reverse transcription polymerase chain reaction (rRT-PCR) National Veterinary Services Laboratories (NVSL), Ames, Iowa Red Fox,Brown bear (Grizzly Bear),Tiger,Puma,Bobcat,Domestic cat,Fisher,Cats,Gray Seal,American Black Bear (black bear),Racoon (Northern raccoon),Harbor Seal,North American river otter,American marten,Virginia Opossum,Striped Skunk,Amur Leopard,Coyote,Abert's squirrel,Bottlenose dolphin,Bovine,Goats,American Mink,Polar Bear 201 2022/05/05 2024/04/09 Positive
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