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From: RonO <rokimoto557@gmail.com>
Newsgroups: talk.origins
Subject: 7% of dairy workers at infected farms seropositive for the dairy
 virus
Date: Thu, 7 Nov 2024 15:38:31 -0600
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https://www.cdc.gov/mmwr/volumes/73/wr/mm7344a3.htm?s_cid=mm7344a3_w

Michigan and Colorado did a "convenience" sampling (without regard to 
the person showing symptoms at infected dairy farms.  115 people were 
tested and 8 of them were found to be more seropositive than the 
Missouri case (positive for 2 of the 3 assays instead of just one).  If 
you have been following my posts on this subject I have contended since 
early in the dairy epidemic that around 5% dairy workers infected could 
account for the spread between herds and to poultry flocks.  These 
workers would be shedding virus, and it would not have to survive on 
equipment (only infective for 24 hours) or skin and clothing (infective 
for less than 30 minutes).  The contact tracing in California just 
demonstrated that it was likely the dairy workers were taking the virus 
to other dairies and poultry farms.  Now these test results indicate 
that they should have been running contact tracing from the very 
beginning as I have always claimed.

It should be noted that the first Michigan survey that got negative 
seropositive testing biased their sample to those dairy workers that had 
not exhibited symptoms.  They also did not include the positive control 
of the known infected dairy worker.

QUOTE:
This finding supports the need to identify and implement strategies to 
prevent transmission among dairy cattle to reduce worker exposures and 
for education and outreach to dairy workers concerning prevention, 
symptoms, and where to seek medical care if the workers develop 
symptoms.  Timely identification of infected herds can support rapid 
initiation of monitoring, testing, and treatment for human illness, 
including mild illness, among exposed dairy workers.
END QUOTE:

This is what I have always claimed, and what the CDC and USDA have 
refused to recognize from the beginning of the dairy epidemic.  Both 
agencies refused to attempt to identify all the infected herds.  It is 
sad that it has taken this long for them to admit that they have been 
wrong, and that there should be an effort to identify all the infected 
herds to decrease the risk of infection of dairy workers.  The more 
workers infected the more likely the virus will become the next pandemic 
virus.  The poultry industry has lost millions of birds to the dairy 
virus, and there is the possibility that egg prices will go up like they 
did last time because the CDC and USDA would not act and do what should 
have been done.  It isn't wild birds this time, but dairy cattle and 
dairy workers spreading the virus.  Infected dairy workers explains how 
dairy herds in states that did not get cattle were infected, and they 
knew that dairy workers could be infected and shed live virus from the 
first human case in Texas where they were able to isolate live virus and 
culture it.

It also should be noted that months ago research was put out that 2 out 
of 14 Texas dairy workers tested seropositive for the dairy virus, but 
the CDC has never recognized those individuals as having been infected. 
Both seropositive workers came from the same farm and one of them did 
not have contact with cattle (the person worked in the dairy cafeteria) 
raising the possibility that there was human to human transmission.

Ron Okimoto