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USDA AHPIS is reporting the total number of herds that have tested positive for H5N1 is now 52 herds across 9 states. There have been zero new cases outside of Michigan, Idaho, and Texas over the last two weeks.
Avian Influenza Case Count
Michigan: 15
Texas: 14
New Mexico: 8
Idaho: 6
Kansas: 4
Colorado: 2
North Carolina: 1
Ohio: 1
South Dakota: 1
Farmworker in Michigan Tests Positive for H5N1
Officials with the CDC and Michigan announced yesterday that a dairy farm worker in Michigan did test positive for H5N1 after showing mild symptoms of conjunctivits (pink eye). The worker has already recovered. This marks the second case of H5N1 in dairy workers this year after a Texas dairy worker tested positive earlier this year after developing conjunctivitis. Including a case from 2022 when a poultry worker experienced fatigue after depopulating a poultry operation, there have been three confirmed cases of avian influenza infecting humans in the United States.
While the symptoms are mild, dairy farmers are encouraged to limit exposure of their employees as much as possible by incorporating the use of personal protective equipment into the milking parlor. This can include gloves, aprons or coveralls, rubber boots and boot covers, and some form of eyeware or face covering. It is also important to not touch your eyes, nose, or mouth with uncleaned hands or gloves when working with animals (this is a good rule of thumb generally).
The Georgia Department of Agriculture has PPE available to farms at no cost. Contact your dairy inspector for more information.
FDA Retail Milk Testing
The FDA released a list of the states from which retail samples were collected during its retail milk tests for avian influenza in April. The published results include the state where the milk was processed (this does not mean the milk was produced in that state), whether live virus was detected in the retail sample (no samples tested positive for live virus), the number of retail samples tested, the number of samples that contained deactivated (dead) virus RNA, and the samples that were negative for any deactivated virus RNA.
FDA tested 8 samples from Georgia dairy processors, and all 8 were negative for any trace of avian influenza virus. In Florida, one of our 10 samples contained fragments of dead virus RNA. South Carolina had three samples that did show deactivated virus fragments and Tennessee had three samples that all tested negative for any amount of virus.
The states with the highest number of samples that contained deactivated virus were Texas (13), Kansas (6), Oklahoma (10), Arizona (5), and Michigan (4).
Reminder: Deactivated virus means that pasteurization killed the virus or that the virus was already dead. There can still be fragments of RNA from the virus, but there is no cause for concern. The Pasteurized Milk Ordinance (PMO) is designed to ensure that milk is free of pathogens.
FDA Retail Milk Testing Details
National Milk Producers Federation Webinar(s)
The National Milk Producers Federation hosted a webinar last week to discuss new tools to reduce the impact and spread of H5N1 on dairy farms. You can view that webinar HERE.
They are also hosting another webinar titled “H5N1 Updates and Biosecurity Essentials for Dairy Farmers” today at 2:00 PM Eastern Time. To register for that webinar, click HERE.
Resources for Dairy Producers
Information on Assistance for Farmers Affected by H5N1 in Dairy Cattle
AP: Feds Announce New Funding to Address Avian Influenza Spread
May 7 Guidance on Movement Order
USDA HPAI in Dairy Cattle Resource Page
USDA Order on Movement of Lactating Dairy Cattle
USDA Additional Guidance on Movement Order
USDA Movement Order FAQ
Secure Milk Supply Biosecurity Website
UGA Veterinary Diagnostic Lab Email Guidance
Important Contacts for Dairy Producers
Georgia Department of Agriculture Animal Health Division
404-656-3667
animalhealth@agr.georgia.gov
Georgia Milk Producers
Bryce Trotter
229-221-3906
bryce@gamilk.org
UGA Veterinary Diagnostic Lab - Athens
706-542-5568
athndlab@uga.edu
UGA Veterinary Diagnostic Lab - Tifton
229-386-3340
dlab@uga.edu
Additional Resources for Dairy Producers
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