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From: RonO <rokimoto557@gmail.com>
Newsgroups: talk.origins
Subject: Re: Minnesota dairy herd infected for the second time
Date: Thu, 27 Mar 2025 16:40:59 -0500
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On 3/25/2025 6:33 PM, RonO wrote:
> https://www.cidrap.umn.edu/avian-influenza-bird-flu/minnesota-milk- 
> surveillance-flags-h5n1-dairy-herd
> 
> A dairy herd in Minnesota that was confirmed to be infected in July 
> 2024, but has likely been clear of the virus for several months has been 
> infected again.  They do not know what genotype of H5N1 is infecting the 
> herd.  Another herd in California also was confirmed to be positive.
> 
> They still have not disclosed the genotypes of the recent Idaho and 
> California infections.  At this time both the B3.13 and the D1.1 virus 
> has been found in Dairy herds (D1.1 in Arizona and Nevada)
> 
> Ron Okimoto
> 

https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/hpai-confirmed-cases-livestock

Another California dairy has been added to the database.  3 Idaho, 2 
Calif., and 1 Minnesota herd for this week, but no news on what genotype 
is infecting these herds since Feb.  For some reason they stopped 
disclosing the genotype when it could be either D1.1 (recent 
introduction from wild birds) or the B3.13 dairy virus.

The USDA disclosed the last two Nevada genotypes almost immediately 
(confirmed 2/25) as being D1.1, but since then they have not been 
disclosing the infecting genotype for the last 9 Idaho herds, 9 
California herds, and 1 Minnesota herd.

Ron Okimoto