Prof Jeffrey S Morris @jsm2334.bsky.social · 03/07/2026Do we already have causal evidence that HPV vaccines reduce risk of cervical cancer? Yes, we do. Details in this article and summarized in this thread x.com/jsm2334/stat... 49730
Prof Jeffrey S Morris @jsm2334.bsky.social · 18/06/2026Article on the other platform discussing the evidence showing no increased risk of SIDS after vaccination in response to RFK’s letter putting pressure on the editor in chief who retracted the Miller paper on this topic. x.com/jsm2334/stat... 03312
Prof Jeffrey S Morris @jsm2334.bsky.social · 11/05/2026NYTimes article with a few excepts: Kennedy Is Driving a Vast Inquiry Into Vaccines, Despite His Public Silence www.nytimes.com/2026/05/11/h... 12811
Reposted by Prof Jeffrey S MorrisDr Susan Oliver (PhD) @drsusanoliver.bsky.social · 07/05/2026Sorry antiaxxers, a new systematic review of 59 studies showed no association between aluminium adjuvanted vaccines and serious or long term health outcomes, such as asthma, autism spectrum disorders, or other chronic conditions. www.bmj.com/content/393/...bmj.com 1931399
Prof Jeffrey S Morris @jsm2334.bsky.social · 06/05/2026F.D.A. Blocked Publication of Research Finding Covid and Shingles Vaccines Were Safe www.nytimes.com/2026/05/05/u...nytimes.comF.D.A. Blocked Publication of Research Finding Covid and Shingles Vaccines Were Safe 317687
Prof Jeffrey S Morris @jsm2334.bsky.social · 02/05/2026Interesting article discussing GenZ’s attitudes towards and concerns about AI www.theverge.com/ai-artificia...theverge.comThe more young people use AI, the more they hate itCaught between fears of job loss and social stigma, Gen Z’s opinions of AI are hitting new lows. 2327
Prof Jeffrey S Morris @jsm2334.bsky.social · 17/04/2026I contributed to this article refuting the claim by German toxicologist Dr. Helmut Sterz — widely amplified by Elon Musk — that COVID vaccines likely killed ~60,000 Germans. www.factcheck.org/2026/04/elon... 110034
Prof Jeffrey S Morris @jsm2334.bsky.social · 31/03/2026Giving a Grand Rounds talk at Brown University for "National Public Health Week" next Wednesday at noon "Seeing through epidemiological fallacies: How statistics safeguards scientific communication in a polarized era" Link to register is below if you want to come! events.brown.edu/event/327327... 1132
Prof Jeffrey S Morris @jsm2334.bsky.social · 19/12/2025MIT’s UnDark published this interview with me discussing a few points from my new white paper on the U.S. vaccine safety monitoring system, and follow up points related to myocarditis, childhood vaccine rollouts, and the new Vaers report coming from the fda undark.org/2025/12/19/i...undark.orgInterview: How the U.S. Government Monitors Vaccine SafetyBiostatistician Jeffrey Morris discusses his analysis of the vaccine monitoring system — and how it could be improved. 3257
Prof Jeffrey S Morris @jsm2334.bsky.social · 12/12/2025My paper summarizing the multi-component US vaccine safety monitoring system has just posted online. The key components of the system include: 1. pre-licensure clinical trials 2. passive monitoring (VAERs) 3. active monitoring (VSD, PRISM) 4. clinical analysis (CISA). 1349
Prof Jeffrey S Morris @jsm2334.bsky.social · 04/12/2025www.medpagetoday.com/infectiousdi...medpagetoday.comACIP Leadership Shake-Up Before Hep B Vaccine Vote Alarms ExpertsNew chair has questioned vaccine safety, promoted unproven COVID treatments 2278
Prof Jeffrey S Morris @jsm2334.bsky.social · 14/11/2025Last month I gave a webinar for AAAS (publisher of the journal Science) entitled: "Seeing Through Epidemiologic Fallacies: How Statistics Safeguards Scientific Communication in a Polarized Era" AAAS posted the webinar on their YouTube page -- link is below. youtu.be/GQtA9N_Dwog?...youtu.beSeeing Through Epidemiologic Fallacies: How Statistics Safeguards Scientific CommunicationYouTube video by AAAS Section U (Statistics) 4279
Prof Jeffrey S Morris @jsm2334.bsky.social · 26/09/2025I’ve written an article for The Conversation about the so-called “Inconvenient Study,” described as a landmark study demonstrating vaccines cause chronic health conditions in children, highlighting its major design flaws and statistical problems that prevent it from showing what its promoters claim 17615
Prof Jeffrey S Morris @jsm2334.bsky.social · 19/09/2025ACIP voted to drop the MMRV combo shot for kids <4 due to seizure risk. But strangely, they blocked coverage under CMS/private plans while still allowing it under VFC. No explanation given — even panelists seemed puzzled. End result: parents lose an option, but only for a random subset of kids. 75719
Reposted by Prof Jeffrey S MorrisJake Scott, MD @jakescottmd.bsky.social · 13/09/2025A US senate subcommittee was told this unpublished vaccine study was 'the most important ever.' Henry Ford Health now confirms why it was never published: it failed scientific standards. Here's what's actually wrong with the study: jakescottmd.substack.com/p/why-the-senates-most-important-vaccinejakescottmd.substack.comWhy the Senate's 'Most Important Vaccine Study Ever' Was Never PublishedThe fatal flaws that made this study unpublishable 13320137
Prof Jeffrey S Morris @jsm2334.bsky.social · 12/09/20251/12 Senate hearings highlighted a Henry Ford Health System study, billed as “An Inconvenient Study,” touted as proof vaccines raise childhood chronic-disease risk and allegedly suppressed. I reconstructed details from public sources; here are findings + concerns. 3274
Prof Jeffrey S Morris @jsm2334.bsky.social · 10/09/2025Jake Scott published his critique of the Henry Ford vaccine study presented at the senate hearing yesterday. www.statnews.com/2025/09/09/a...statnews.comRFK Jr. ally’s ‘smoking gun’ study on vaccines and chronic illness is fundamentally flawedBogus study on vaccines and chronic illness presented at Senate presents “a dangerous precedent for how science is weighed in policymaking,” infectious disease expert writes. 38027
Prof Jeffrey S Morris @jsm2334.bsky.social · 06/09/2025I extensively contributed to this fact check on RFK’s critiques and calls to retract a recent Annals of Internal Medicine paper by Danish researchers showing dose of vaccine aluminum adjuvants does not increase risk of any of 50 chronic diseases including autism www.factcheck.org/2025/09/rfk-... 13502137
Prof Jeffrey S Morris @jsm2334.bsky.social · 06/09/2025Deborah Fuller, a microbiologist from UWash, wrote this article pointing out many of the false statements made by RFK in his senate hearing yesterday and explaining why they were false.theconversation.comHow RFK Jr.’s misguided science on mRNA vaccines is shaping policy − a vaccine expert examines the false claimsChaos at the CDC and the sharp move away from mRNA vaccines has public health experts alarmed. 14576219
Prof Jeffrey S Morris @jsm2334.bsky.social · 29/08/2025Personal attacks to try to neutralize those not supporting his agenda and twisting and misrepresenting the truth As he continued to disassemble the CDC, he misrepresented their top 10 medical achievements to claim their priorities were wrong to justify his vicious attack www.cdc.gov/mmwr/preview... 511638
Prof Jeffrey S Morris @jsm2334.bsky.social · 27/08/2025This is extraordinary — to attribute a >600-fold risk increase, from 1 in 10,000 to 1 in 15, to one set of interventions is quite a claim... 5296
Prof Jeffrey S Morris @jsm2334.bsky.social · 25/08/2025“Sneakflation”: How Trump’s tariffs are gradually raising costs for American consumers - CNN 69316
Prof Jeffrey S Morris @jsm2334.bsky.social · 22/08/2025People claim all kinds of things on social media. But how do we decide what is true, false, or uncertain — and how much should those judgments depend on the scientific evidence in the available literature? 4341
Prof Jeffrey S Morris @jsm2334.bsky.social · 18/08/2025Good description by Paul Offit -- I encourage you to listen to the entire video. 23313
Prof Jeffrey S Morris @jsm2334.bsky.social · 27/07/2025😢 www.washingtonpost.com/sports/2025/...washingtonpost.comVenezuelan Little League team denied travel visas to U.S. for World SeriesThe Cacique Mara Little League team from Maracaibo, Venezuela, will not be able to participate in the Senior League Baseball World Series in South Carolina this year. 157828
Prof Jeffrey S Morris @jsm2334.bsky.social · 23/07/2025This morning, the Atlantic published an article on David Geier, highlighting his history of publishing papers that claim associations between various vaccines and chronic conditions, including autism. www.theatlantic.com/health/archi... 726280
Prof Jeffrey S Morris @jsm2334.bsky.social · 17/07/2025New York Magazine just published an in-depth article about Mark and David Geier, tracing Mark’s professional journey—from his emergence as a prominent anti-vaccine advocate to the controversy that led to the loss of his medical license nymag.com/intelligence...nymag.comThe Father-and-Son Duo Who Toppled Our Trust in VaccinesThirty years ago a doctor named Mark Geier spread fears about vaccines and autism. Now his son, David, is reportedly looking for a link for RFK Jr. 1115872
Prof Jeffrey S Morris @jsm2334.bsky.social · 10/07/2025In this thread, Lauren Lee outlines what she believes is RFK Jr.’s strategy: to compile a large dossier of studies that appear to support his claims against vaccines, with the ultimate goal of this material being used in legal action against pharmaceutical companies... x.com/sheislaurenl... 39028
Prof Jeffrey S Morris @jsm2334.bsky.social · 07/07/2025RFK is fast to accuse others of financial conflict of interest with pharma to discredit and silence them. How can he refuse to commit to not financially benefit on the order of many of millions of $$ from urging people to sue pharma companies for vaccine injuries, 820059
Prof Jeffrey S Morris @jsm2334.bsky.social · 07/07/2025www.theatlantic.com/health/archi...theatlantic.comRFK Jr.’s Autism Time MachineThe health secretary’s approach to the condition gives the impression that two decades of research simply never happened. 69132
Prof Jeffrey S Morris @jsm2334.bsky.social · 19/06/2025With important decisions on HPV vax coming to ACIP soon, does the fact that RFK been involved in lawsuit against it constitute a conflict of interest? Is his pledge to give any payments he receives if his case wins “to his son” sufficient to manage that conflict? www.nytimes.com/2025/01/31/h... 57914
Prof Jeffrey S Morris @jsm2334.bsky.social · 19/06/2025www.theatlantic.com/health/archi...theatlantic.comThe Future of the HPV Vaccine Is Up in the AirOne of the most effective vaccines available was going to become more accessible—until RFK Jr. dismissed the CDC’s advisory committee. 45021
Prof Jeffrey S Morris @jsm2334.bsky.social · 19/06/2025Dr. Angela Rasmussen, editor-in-chief for journal Vaccines, wrote this article on her views and concerns of changes on the ACIP panel, and her views on the specific members, why she thinks they were chosen, and what she sees about their potential biases rasmussenretorts.substack.com/p/meet-the-a...rasmussenretorts.substack.comMeet the Anti-Vax ACIP First Round Draft Picks of 2025!It's MAHA fantasy season, so let's take a look at this year's rookie class. Which preventable disease will start killing children first? 18635
Prof Jeffrey S Morris @jsm2334.bsky.social · 16/06/2025The 17 recently dismissed members of ACIP have written a letter do JAMA expressing their concerns about the abrupt dismissal and replacement 2 days later of 8 individuals. jamanetwork.com/journals/jam...jamanetwork.comAdvisory Committee on Immunization Practices at a CrossroadsIn this Viewpoint, former members of the Advisory Committee on Immunization Practices (ACIP) caution that the sudden change in the ACIP may reverse the achievements of US immunization policy, includin... 317953
Prof Jeffrey S Morris @jsm2334.bsky.social · 13/06/2025The report HHS sent to congress to justify changes in vaccine recommendations for healthy non-elderly & pregnant people has all kinds of misrepresentations/errors as outlined by this report & clearly does not accurately reflect the state of the scientific literature kffhealthnews.org/news/article...kffhealthnews.orgKennedy’s HHS Sent Congress ‘Junk Science’ To Defend Vaccine Changes, Experts Say - KFF Health NewsA look inside the Department of Health and Human Services document citing vaccine misinformation that could influence congressional perceptions. 371024349
Reposted by Prof Jeffrey S MorrisHealth Nerd @gidmk.bsky.social · 02/06/2025I'm reading the report behind these headlines about glyphosate and it may be the most scientifically illiterate thing I've come across (although it's a close thing with the recent MAHA report). 1/n 21574210
Prof Jeffrey S Morris @jsm2334.bsky.social · 09/06/2025Wow. Now CDC has no interim director and no scientific advisory committee for immunization practices Is RFK de facto CDC director? Who will the new ACIP members be who will advise him & determine what recommendations come out of CDC for immunization practices? www.statnews.com/2025/06/09/r...statnews.comHealth secretary RFK Jr. abruptly fires CDC vaccine advisory panelHealth secretary Robert F. Kennedy Jr. has taken the extraordinary step of firing the expert panel that advises the CDC. 1513846
Prof Jeffrey S Morris @jsm2334.bsky.social · 02/06/2025Niall Ferguson, a conservative historian, was interviewed in this article about the state of our republic. The part I really see is the modern polarization and elimination of a common public sphere, which to me is the greatest threat to our republic and society www.noemamag.com/america-is-i... 4366
Prof Jeffrey S Morris @jsm2334.bsky.social · 02/06/2025Article in JAMA talking about the potential impact of the proposed focus on biomedical research funding based on current actions. jamanetwork.com/journals/jam...jamanetwork.comCutting the NIH—The $8 Trillion Health Care CatastropheThis JAMA Forum discusses the recent budget cuts to National Institutes of Health (NIH), the effects of these cuts on scientific research and health of individuals in the US, and the prospects for cha... 38748
Prof Jeffrey S Morris @jsm2334.bsky.social · 02/06/2025Promoting more transparent, reproducible, rigorous research with carefully justified conclusions and uncertainty quantification is a great idea… www.science.org/content/arti...science.org 1484
Prof Jeffrey S Morris @jsm2334.bsky.social · 02/06/2025The elimination of USA funding for global health initiatives will have devastating consequences for many in the world www.science.org/content/arti... 15352130
Prof Jeffrey S Morris @jsm2334.bsky.social · 29/05/2025Major with this MAHA report with >500 purported references Numerous publications cited appear to not exist at all; others are blatantly mis-quoted/represented Is it possible someone used LLM AI write the report and it includes hallucinated papers that did not exist? www.notus.org/health-scien...notus.orgThe MAHA Report Cites Studies That Don’t ExistThe Trump administration’s “Make America Healthy Again” report misinterprets some studies and cites others that don’t exist, according to the listed authors. 1625874
Prof Jeffrey S Morris @jsm2334.bsky.social · 28/05/2025@saratalpos.bsky.social published a really nice article in MIT’s UnDark on Jay Bhattacharya undark.org/2025/05/27/j...undark.orgAmid Turbulence, the NIH's Jay Bhattacharya Era BeginsPandemic policies prompted his call for public health reform. But allies wonder if he can deliver it as a Trump insider. 4161
Prof Jeffrey S Morris @jsm2334.bsky.social · 25/05/2025www.whitehouse.gov/presidential...whitehouse.govRestoring Gold Standard ScienceBy the authority vested in me as President by the Constitution and the laws of the United States of America, including section 7301 of title 5, United 18225
Prof Jeffrey S Morris @jsm2334.bsky.social · 23/05/2025ASPPH has released Broken Lifelines: The Economic Consequences of Defunding Academic Public Health, a new report detailing how 2025 federal funding cuts are destabilizing the academic public health system and harming the broader US economy.aspph-webassets.s3.us-east-1.amazonaws.com 44915
Prof Jeffrey S Morris @jsm2334.bsky.social · 20/05/2025New policy for Covid-19 boosters from FDA executive leadership www.nejm.org/doi/full/10....nejm.orgAn Evidence-Based Approach to Covid-19 Vaccination | NEJMThis article from the FDA compares broad U.S. recommendations on Covid vaccination with those from other countries and announces the adoption of an evidence-based approach to such recommendations. 94112
Prof Jeffrey S Morris @jsm2334.bsky.social · 18/05/2025Increasing politicization of science is a terrible idea, and threatens to destroy the scientific leadership role of the USA in the world. www.science.org/doi/10.1126/...science.orgInstitutionalizing politicized scienceThe opening months of the Trump administration represent a historic disruption to America’s scientific agencies. Staff have been fired or reassigned in the name of efficiency, resulting in chaos. Gran... 614541
Prof Jeffrey S Morris @jsm2334.bsky.social · 15/05/2025My Penn Biostatistics colleague Mingyao Li & two of our Biostatistics PhD students, Kyle Coleman & Shunzhou Jiang, have helped co-lead a new article published in Nature presenting spatial single cell transcriptomic characterization of brains of developing fetuses www.nature.com/articles/s41...nature.comSpatial transcriptomics reveals human cortical layer and area specification - NatureMultiplexed error-robust fluorescence in situ hybridization (MERFISH) together with deep-learning-based nucleus segmentation enabled the construction of a highly detailed and informative spatially res... 2398
Prof Jeffrey S Morris @jsm2334.bsky.social · 11/05/2025So proud of my little girl, Now Dr. Taylor Morris, DPT!!! 72333