Path: ...!2.eu.feeder.erje.net!feeder.erje.net!feeds.news.ox.ac.uk!news.ox.ac.uk!nntp-feed.chiark.greenend.org.uk!ewrotcd!news.eyrie.org!beagle.ediacara.org!.POSTED.beagle.ediacara.org!not-for-mail From: RonO Newsgroups: talk.origins Subject: Re: NIH is claiming to do something different with the dairy virus Date: Mon, 6 Jan 2025 13:54:26 -0600 Organization: A noiseless patient Spider Lines: 260 Sender: to%beagle.ediacara.org Approved: moderator@beagle.ediacara.org Message-ID: References: Reply-To: rokimoto557@gmail.com MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: beagle.ediacara.org; posting-host="beagle.ediacara.org:3.132.105.89"; logging-data="16279"; mail-complaints-to="usenet@beagle.ediacara.org" User-Agent: Mozilla Thunderbird To: talk-origins@moderators.isc.org Cancel-Lock: sha1:PxU05pwGP1MMMnByop86Zt0hT/I= Return-Path: X-Original-To: talk-origins@ediacara.org Delivered-To: talk-origins@ediacara.org id 22EF1229782; Mon, 06 Jan 2025 14:54:45 -0500 (EST) by beagle.ediacara.org (Postfix) with ESMTPS id C2FA5229765 for ; Mon, 06 Jan 2025 14:54:42 -0500 (EST) by pi-dach.dorfdsl.de (8.18.1/8.18.1/Debian-6~bpo12+1) with ESMTPS id 506JsXsO2121225 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT) for ; Mon, 6 Jan 2025 20:54:35 +0100 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256)) (No client certificate requested) by smtp.eternal-september.org (Postfix) with ESMTPS id 23B9C5FD49 for ; Mon, 6 Jan 2025 19:54:29 +0000 (UTC) Authentication-Results: name/23B9C5FD49; dmarc=fail (p=none dis=none) header.from=gmail.com id C66A2DC01A9; Mon, 6 Jan 2025 20:54:28 +0100 (CET) X-Injection-Date: Mon, 06 Jan 2025 20:54:28 +0100 (CET) In-Reply-To: Content-Language: en-US X-Auth-Sender: U2FsdGVkX191c7Ci6VjXL+ENEM5D6KobgHx7SwXoOpo= FREEMAIL_FORGED_REPLYTO,FREEMAIL_REPLYTO_END_DIGIT, HEADER_FROM_DIFFERENT_DOMAINS,NML_ADSP_CUSTOM_MED, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_WELCOMELIST,USER_IN_WHITELIST autolearn=ham autolearn_force=no version=3.4.6 smtp.eternal-september.org Bytes: 17317 On 1/2/2025 3:41 PM, RonO wrote: > On 1/1/2025 2:52 PM, RonO wrote: >> https://www.nih.gov/news-events/news-releases/nih-officials-assess- >> threat-h5n1 >> >> Published Dec 31. >> >> QUOTE: >> In a commentary published in the New England Journal of Medicine, >> NIAID Director Jeanne M. Marrazzo, M.D., M.P.H., and Michael G. Ison, >> M.D., M.S., chief of the Respiratory Diseases Branch in NIAID’s >> Division of Microbiology and Infectious Diseases, say people should >> find a balance between enhanced vigilance and “business as usual” with >> respect to HPAI H5N1. >> END QUOTE: >> >> This is an indirect way of stating that the CDC and USDA haven't been >> doing their jobs. >> >> QUOTE: >> Against this backdrop, Drs. Marrazzo and Ison say there are four keys >> to controlling the current outbreak. The first imperative is timely, >> effective collaborations among investigators in human and veterinary >> medicine, public health, health care, and occupational workers, such >> as dairy and poultry workers. >> >> This involves cultivating trust not only between numerous entities, >> but with people seeking care for symptoms of concern, including >> conjunctivitis, the authors write. Fortunately, so far most U.S. cases >> of HPAI H5N1 have been mild and resolved on their own without the need >> for treatment. >> END QUOTE: >> >> This has not happened, and it is fortunate that the human cases have >> been mild.  The CDC still has not put out any information on their >> human dairy worker testing that they were supposed to start in early >> Nov, and California initally claimed that they were going to start a >> worker testing program early in their infection, but that never >> happened and out of the 5,000 workers that they could have tested they >> only tested 130 after essentially quiting after their initial success >> with their first 39 tested. >> >> QUOTE: >> Their second key is a focus on the Canadian HPAI H5N1 patient, who >> developed respiratory failure and required life-saving medical >> intervention and treatment before recovering. The authors write that >> mutations found in the virus in this patient highlight an urgent need >> for vigilant disease surveillance to identify and assess viral changes >> to evaluate the risk for person-to-person transmission. Effective >> surveillance, they say, requires that complete genomic sequencing data >> from animals and people are made rapidly and readily available. >> >> Without information pertaining to where and when isolates were >> collected, the data cannot be linked phylogenetically to other >> reported sequences, limiting insight into how the virus is spreading, >> they write. These data would also provide opportunity for early >> detection of mutations that might portend avidity for human >> respiratory epithelium, which may require as little as one mutation in >> the virus. >> END QUOTE: >> >> Even the NIH needs to differentiate the D1.1 genotype from the B3.13 >> dairy genotype.  The Canadian and Louisiana patients both with severe >> symptoms were genotype D1.1.  In both cases the D1.1 genotype had the >> same mutations that were not found in the local virus in birds, so >> they claimed that these mutations that, apparently made the infections >> more severe had occurred within each patient independently.  The D1.1 >> genotype should be tracked more diligently than the Dairy virus.  This >> is also the virus that they need to be checking the efficacy of the >> current H5 vaccine strain on. >> >> This seems to be a direct rebuke of the current policy of not >> releasing the conclusions of the sequencing efforts.  The last half >> month there has been suppression of the results.  The cat infection >> case in Oregon had been sequenced and they knew that the sequence was >> identical in the dead cat and in the pet food that the cat ate, but >> they would not state if it was the dairy virus or not.  The same goes >> for the Washington big cat cases and California cat cases, and also >> the Wisconsin poultry worker.  A phylogeny and epidemiological >> sequence analysis has not been done since early in the infection when >> they determined that some infected states had not gotten infected >> cattle, but had obviously been infected from Texas.  They refused to >> start testing dairy workers that had likely taken the virus to other >> states that did not get cattle. They could tell which farms in Texas >> had the most closely related virus sequence, but never initiated >> contact tracing between those farms and the states with infected dairies. >> >> The Colorado virus was found to be most closely related to the virus >> that had infected a Michigan dairy worker, so there wasn't much doubt >> as to how Colorado got infected with a Michigan strain, and they >> should not have gotten Michigan Cattle. >> >> The USDA is still not releasing the sequence information so that it >> can be effectively used to trace the spread of the infection.  They >> just give the sample submission date, date of sequencing, and claim >> the location is the USA.  This was determined to be inadequate with >> the first epidemiological sequence analysis, but the USDA never >> changed, and kept putting out nearly worthless sequence information. >> Before I retired I contacted the USDA avain lab in Georgia and asked >> for the contact information for the USDA researchers that were >> responsible for putting out the sequence data, so that I could get >> more information about the sequences that those researchers obviously >> would have.  I was told that they did not give out that information. >> The USDA should have been doing a weekly epidemiological sequence >> analysis from the beginning of the infection, but that has never been >> initiated (or the results have been suppressed) and researchers that >> are willing to do it, can't do it because of the nearly worthless way >> in which the sequence is annotated. >> >> QUOTE: >> Third, researchers must continue to develop and test medical >> countermeasures—such as vaccines and therapies that eliminate or >> alleviate disease—against H5N1 and other influenza viruses. >> Fortunately, current vaccine candidates neutralize the circulating >> strains, which so far are susceptible to antivirals that could >> mitigate transmission and severity of illness, they write. >> >> Lastly, Drs. Marrazzo and Ison encourage people to take precautions to >> prevent exposure to the virus and minimize the risk of infection. For >> example, people who work with poultry and cows should use personal >> protective equipment and educate themselves about occupational risks >> when working with birds and mammals, as CDC and USDA have repeatedly >> recommended. >> END QUOTE: >> >> They are testing countermeasures, but so what?  The statement about >> current vaccine efficacy is dated.  The virus tested was isolated from >> a dairy worker at the beginning of the dairy infection (March 2024), >> and was found to be neutralized by the then vaccine H5 antigen.  The >> virus has since mutated, and the CDC found that they had to make a >> synthetic H5 antigen with the Missouri amino acid substitutions in it >> in order to detect neutralizing antibodies in the Missouri patient's >> blood (Oct 2024) and still 2 of the three antibody tests failed.  The >> current vaccine strain of H5, likely has lost efficacy against the >> current virus.  The California virus is also supposed to have multiple >> amino acid substitutions in the H5 gene. >> >> A recent news article that I put up claimed that some infected dairies >> in California were not using personal protective equipment to protect >> their dairy workers.  It is only a "recommendation" by the USDA and >> CDC, just as it was voluntary (and still is in most states) to test >> your herd for infection.  Workers were only "recommended" to not go to >> other farms if they worked with infected animals and that obviously >> was not enforced even in California when they knew that the workers >> were likely spreading the virus.  All the infected dairies and poultry >> farms in California is a testament to the fact that the denial of >> workers transmitting the virus should have been dealt with long ago >> when the USDA determined that it was likely worker transmission to >> poultry farms and other dairies in Michigan back in June. >> >> Since they never wanted to identify all the infected herds even their >> "recommendations" did not have to be followed on farms that would not ========== REMAINDER OF ARTICLE TRUNCATED ==========