Spencer J Fox
@foxandtheflu.bsky.social
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📥 374
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Assistant prof at NAU in disease modeling, and data science. Posts are my own opinions
reposted by
Spencer J Fox
Mallory Harris, PhD
about 5 hours ago
In a new preprint, we combine modeling with school-level vaccine data to contextualize the risk of 'breakthrough infections' and impacts on the ongoing US measles outbreak.
#idsky
#episky
www.medrxiv.org/content/10.6...
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Interpreting Breakthrough Infections Given Assortative Mixing of Partially Vaccinated Populations
Declining vaccine coverage across the United States has increased the risk of outbreaks of vaccine-preventable diseases. Even when vaccines have low primary failure rates, conventional epidemic theory...
https://www.medrxiv.org/content/10.64898/2026.01.22.26344544v1
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Spencer J Fox
Nicola Low
2 days ago
🧪 💉 Bill Foege is an absolute
#PublicHealth
legend And furious to the end about the destruction of US public health “Kennedy’s words can be as lethal as the smallpox virus,” he wrote… “I had no idea I would be this angry at the age of 89.” Ht
@boghuma.bsky.social
www.nytimes.com/2026/01/24/u...
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William H. Foege, Key Figure in the Eradication of Smallpox, Dies at 89
https://www.nytimes.com/2026/01/24/us/william-h-foege-dead.html
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Spencer J Fox
Nathan Lo
5 days ago
Our latest study in
@jama.com
on trends in county-level vaccine exemptions, demonstrating geographic pockets of high vaccine exemptions and high susceptibility to vaccine-preventable diseases. Great collab with
@nbcnews.com
colleagues and our Stanford team.
jamanetwork.com/journals/jam...
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Trends in County-Level Childhood Vaccination Exemptions in the US
This study examines US county-level trends in nonmedical and medical exemptions to childhood vaccination requirements.
https://jamanetwork.com/journals/jama/fullarticle/2843870
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Spencer J Fox
Vittoria Colizza
6 days ago
*New paper in Nature Health* Why did the 2022 mpox outbreak in Paris decline so abruptly?
rdcu.be/eZ24H
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Role of behaviour change in controlling the 2022 Paris mpox outbreak
Nature Health - Behaviour changes, rather than vaccination or postinfection immunity, best explained the sudden decline of mpox cases among men who have sex with men during an outbreak in the Paris...
https://rdcu.be/eZ24H
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Spencer J Fox
Simon Cauchemez
8 days ago
Dont miss the ESPIDAM summer program in June 2026 in Stockholm, covering many key concepts for ID modelling: stochastic models, AI for ID control, nowcasting and forecasting, phylodynamics, data analysis, network models, within-host models, health economics
www.statistics.su.se/english/divi...
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ESPIDAM, the European Summer Program in Infectious Disease Analysis and Modelling - Stockholms universitet
https://www.statistics.su.se/english/divisions/department-of-mathematics/research/conferences-and-seminars/espidam-the-european-summer-program-in-infectious-disease-analysis-and-modelling
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Here's something I hadn't heard about the planned then cancelled then re-planned unethical Hep B trials: Bill Ackman is funding half the cost, who knew!
www.rollingstone.com/politics/pol...
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HHS Gave a $1.6 Million Grant to a Controversial Vaccine Study. These Emails Show How That Happened
Two Danish researchers faced accusations of “questionable research practices” as RFK Jr.’s top appointees made their study a “funding priority.”
https://www.rollingstone.com/politics/politics-news/danish-vaccine-study-emails-hhs-rfk-jr-1235498456/
11 days ago
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Nice to see the new NIAID vision laid out in a paywalled journal article. Since NIH funds contributed to it I am looking forward to reading the open access version soon...
www.nature.com/articles/s41...
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The new vision from the National Institute of Allergy and Infectious Diseases (NIAID) - Nature Medicine
Preparing for tomorrow’s threats by enhancing our ability to help patients today.
https://www.nature.com/articles/s41591-025-04160-1
11 days ago
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Spencer J Fox
Kristian G. Andersen
12 days ago
A few updates on the deeply unethical study to probe "non-specific" effects of the birth dose HepB vaccine in Guinea-Bissau by Danish investigators. 1️⃣ The study was canceled as per AfricaCDC - HHS disputes this. 2️⃣ Full protocol was leaked and it's bad. Quick 🧵
www.theguardian.com/us-news/2026...
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Controversial US study on hepatitis B vaccines in Africa is cancelled
$1.6m project drew outrage over ethical questions about withholding vaccines proven to prevent disease
https://www.theguardian.com/us-news/2026/jan/15/hepatitis-b-vaccines-study-africa-cancel?CMP=Share_AndroidApp_Other
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This is some great forensics. Good reminder that it is extremely difficult to know how many people are infected at any given moment in the absence of serology data.
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13 days ago
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Spencer J Fox
Santa Fe Institute
13 days ago
Advance your research and expand your network at SFI's 2026 CSSS program with lectures, application-focused seminars, and team projects. Participants gain experience in transdisciplinary collaboration and explore real-world questions through complexity science. Apply by Feb 4, 2026
santafe.edu/csss
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First day of my forecasting class at NAU. This is the first course I fully prepped (mostly) from scratch and I tried to have fun with it. ✅ Students are making flu forecasts. ✅ There’s a class leaderboard and competition. ✅ Plaque to commemorate annual winners.
14 days ago
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Spencer J Fox
Nathan Grubaugh
15 days ago
Check out our new print that combines dense sequencing and phylodynamics to uncover a bunch of 😎 things about an understudied virus. - Doesn't evolve for 10 months a year ✅ - Uses some mossies for maintenance, others for spread ✅ - Established in Northeast for ~300 years ✅
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We are still accepting applications for the postdoctoral scholar position here at NAU in my lab (with remote optional). Please reach out if you have any questions or would like more information:
careers.nau.edu/jobs/postdoc...
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Postdoctoral Scholar - Flagstaff, Arizona, United States
Special Information This position is an on-site position which requires the incumbent to complete their work primarily at an NAU site, campus, or facility with or without accommodation. Opportunities...
https://careers.nau.edu/jobs/postdoctoral-scholar-flagstaff-arizona-united-states-8493df28-5f4e-4dfb-bf94-03b16478fcd0?lApplicationSubSourceID=
21 days ago
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reposted by
Spencer J Fox
Sebastian Funk
about 1 month ago
Two more fully funded PhDs in real-time infectious disease modelling & forecasting — developing methods for operational use by
@ukhsa.bsky.social
and others in outbreak response. UK home students, starting April or September 2026.
www.lshtm.ac.uk/study/fees-a...
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PhD Studentships in Health Analytics and Modelling | LSHTM
The London School of Hygiene & Tropical Medicine (LSHTM), Imperial College London and the UK Health Security Agency (UKHSA) are pleased to invite applications for two PhD studentships in real-time
https://www.lshtm.ac.uk/study/fees-and-funding/funding-scholarships/phd-studentships-health-analytics-and-modelling
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Spencer J Fox
Dr Roz Eggo
about 1 month ago
Symposium & workshop on inequalities in infectious disease dynamics at LSHTM in April 2026. We aim to will bring together leading researchers and practitioners to share ideas, discuss recent advances, and reflect on future directions. Details & application:
iddconf.org/lshtm-sympos...
Closing 21 Jan
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Social Inequalities in Infectious Disease Dynamics: a Symposium and Workshop
https://iddconf.org/lshtm-symposium/
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I'm glad someone did the work to lay this concept out so nicely! Predicting the size of an influenza season is not as easy as seeing a new variant and extrapolating trends. This may be a bad flu season, but it's way too soon to tell!
christinapagel.substack.com/p/is-it-real...
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Is it really a super flu year?
We're in the middle of a serious flu wave, but we just can't tell yet how bad it's going to be. Week-on-week comparisons are being used in a misleading way!
https://christinapagel.substack.com/p/is-it-really-a-super-flu-year?r=g27c2&utm_medium=ios&triedRedirect=true
about 2 months ago
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Spencer J Fox
Claus Wilke
about 2 months ago
Become a colleague in my department! Applications close in four days, December 15.
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Spencer J Fox
Stuart McDaniel
about 2 months ago
UF Biology is searching for an Asst Prof in Evolution, Ecology of Infectious Disease - spread the word!
@ufresearch.bsky.social
@ufgeog.bsky.social
@sse-evolution.bsky.social
explore.jobs.ufl.edu/en-us/job/53...
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University of Florida - Details - Assistant Professor in Ecology and Evolution of Infectious Disease
https://explore.jobs.ufl.edu/en-us/job/537810/assistant-professor-in-ecology-and-evolution-of-infectious-disease
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Most of the Fox lab got to experience ~7000ft of elevation change going from
#Epidemics10
in San Diego to Flagstaff, AZ for a writing retreat. Here we are on our celebratory visit to the Grand Canyon afterwards!
about 2 months ago
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Considering going to the International Symposium on Forecasting (
isf.forecasters.org/overview/abo...
) in Montreal this summer - has anyone been before or have recommendations of whether it's useful/informative for disease forecasters?
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About the ISF - International Symposium on Forecasting
The International Symposium on Forecasting, presented by the International Institute of Forecasters (IIF), is the premier international event for professional
https://isf.forecasters.org/overview/about/
about 2 months ago
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Spencer J Fox
Juliana Taube
about 2 months ago
The MIDAS Trainee Executive Committee is recruiting new members for 2026! 🤓 This is a great opportunity for grad students & postdocs in infectious disease modeling to gain experience organizing events & connect with peers. Applications are due by 9am ET on 1/1/2026, link in flyer & alt text.
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Spencer J Fox
Joshua Weitz
about 2 months ago
Precisely so, I look forward to convening a Wed AM panel on "Confronting Covid's Wake." We will explore the link between COVID responses, anti-science, and misinformation… and how & why to support evidence-based inquiry to confront disease threats.
virtual.oxfordabstracts.com/event/public...
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OA Virtual conferences
https://virtual.oxfordabstracts.com/event/public/73356/program?session=185769&program&date=%222025-12-3%22
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Spencer J Fox
Southern Utah Wilderness Alliance
about 2 months ago
Federal government and Utah leaders are having a meeting this week to discuss co-management of national parks in Utah, setting a dangerous precedent for national parks across the nation. Read more:
www.thetravel.com/us-governmen...
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U.S. Government Eyes Utah National Parks For “Dangerous” Plan That Could Spread To Parks Across The Country
The alleged meeting fears the public and environmentalists it might involve the Mighty Five.
https://www.thetravel.com/us-government-eyes-utah-national-parks-for-dangerous-plan-that-could-spread-to-parks-across-the-country/
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Spencer J Fox
John M. Drake
about 2 months ago
A challenge in epidemic forecasting is that ML models overfit while mechanistic models miss changing transmission conditions. Our new JR Soc Interface paper tests whether physics-informed neural networks—which embed an epidemiological ODE system inside a neural net—can address this.
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ID folks, come find me at the poster session tonight (2.041) or dm me if you’re looking for a postdoctoral position and want to hear more about our work/group.
#Epidemics10
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about 2 months ago
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Spencer J Fox
Vittoria Colizza
about 2 months ago
Brilliant and inspiring talk by Shweta Bansal
@bansallab.bsky.social
at
#Epidemics10
on contact patterns at the interface of data, modelling and public health — and even across species!
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Spencer J Fox
Melody Schreiber
about 2 months ago
Good news! The Ebola outbreak in DRC has been contained
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@bansallab.bsky.social
gives a tour de force of behavioral models and theory as a keynote at
#epidemics10
. How COVID-19 and animal behavior have helped improve our understanding of human behaviors and disease dynamics
about 2 months ago
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Spencer J Fox
Alessandro Vespignani
2 months ago
We’ve just released Epistorm-Mix, a new open dataset on how people in the U.S. mix across ages and settings in the post-COVID era. 📊 Contact-level data + contact matrices Built for epidemic modeling & forecasting Fully open data & code 🔗
www.epistorm.org/data/epistor...
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Epistorm-Mix: Mapping Social Contact Patterns in the Post-Pandemic United States
Epistorm-Mix provides individual-level contact data and contacts patterns characterization relevant for the spread of respiratory infectious diseases within the US population.
https://www.epistorm.org/data/epistorm-mix
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This is only a few hours from Flagstaff, check out our open postdoctoral position if you're interested in being this close to these magical places:
careers.nau.edu/jobs/postdoc...
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2 months ago
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I for one am here for the 6 month predictions on measles cases that you can find on Kalshi. July 8th the average prediction was about 1.7k cases for the whole year and we are heading towards about 2k by my rough estimate.
kalshi.com/markets/kxme...
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Measles cases this year? | Trade on Kalshi
Track what Kalshi's markets predict for "Measles cases this year?", or trade it yourself.
https://kalshi.com/markets/kxmeasles/measles-cases/kxmeasles-2531
2 months ago
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Spencer J Fox
IDDjobs
2 months ago
Postdoc (Flagstaff or remote, USA) Lead the Fox Lab's outbreak forecasting efforts in collaboration with domestic and international public health partners. with
@foxandtheflu.bsky.social
at Northern Arizona University More details:
http://iddjobs.org/jobs/2409
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Just finished writing up a quick summary of our new publication on the lab website. We developed a new method we call "epimodulation" that fixes biases in forecasts with epidemiological principles. It was really fun to work on this one!
thefoxlab.wordpress.com/2025/11/12/n...
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New paper – Improving outbreak forecasts through model augmentation
The Fox lab had our latest forecasting work published in PNAS a couple of weeks ago! This paper has been about 4 years in the making beginning a couple of years in to the COVID-19 pandemic when our…
https://thefoxlab.wordpress.com/2025/11/12/new-paper-improving-outbreak-forecasts-through-model-augmentation/
3 months ago
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In the NYT today, a discussion of how Canada will lose their measles elimination status.
www.nytimes.com/2025/11/06/w...
This was predictable and preventable, something Amy Winter and I discussed in our disease watch piece 4 months ago:
www.nature.com/articles/s41...
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Canada Is About to Lose Its Status as Having Eliminated Measles
https://www.nytimes.com/2025/11/06/world/canada/canada-measles-elimination-measles.html#:~:text=The%20World%20Health%20Organization%20considers,19%20hangs%20over%20this%20outbreak
3 months ago
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reposted by
Spencer J Fox
Moritz Kraemer
3 months ago
Multi-model approach to understand and predict past and future dengue epidemic dynamics
royalsocietypublishing.org/doi/10.1098/...
Brilliant work by
@cathalmills.bsky.social
+ many others
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A new postdoc position just opened in our group at NAU! We are looking for someone to lead our current forecasting activities and the development of our next generation AI/ML models! Don't hesitate to reach out to me with any questions!
careers.nau.edu/jobs/postdoc...
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Postdoctoral Scholar - Flagstaff, Arizona, United States
Special Information This position is an on-site position which requires the incumbent to complete their work primarily at an NAU site, campus, or facility with or without accommodation. Opportunities...
https://careers.nau.edu/jobs/postdoctoral-scholar-flagstaff-arizona-united-states-8493df28-5f4e-4dfb-bf94-03b16478fcd0?lApplicationSubSourceID=
3 months ago
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reposted by
Spencer J Fox
Nicole E. Basta
3 months ago
Check out our new paper
@nejm.org
. RSV, COVID-19 & Influenza vaccines continue to show consistent effectiveness & safety based on a review & synthesis of 500+ research studies👇! We worked hard to evaluate the evidence so you can be confident about getting vaccinated this fall!
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C. Brandon Ogbunu
3 months ago
1/5: Interested in basketball? Disease ecology? Epidemics? 5 years ago, the NBA embarked on a great experiment in infection control: "The NBA Bubble." In a new preprint led by Dr. Yun Tao + Dr. Nita Bharti, we examine it's underlying disease ecology principles.
www.medrxiv.org/content/10.1...
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Pandemic-era sports league operations as a new paradigm for local epidemic resilience
Strategic, coordinated, and rapid responses are essential when pathogens emerge, yet these responses are often mishandled during epidemics due to myriad factors, including entrenched socioeconomic and...
https://www.medrxiv.org/content/10.1101/2025.10.24.25338752v2
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Took some time to update the lab website with a couple new posts and lab news! Check it out to hear about some lab changes and recent fun things we've been up to!
thefoxlab.wordpress.com
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The Fox Lab
Statistical and computational epidemiology
https://thefoxlab.wordpress.com/
3 months ago
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Just published! Our new work on a method to add epi info to any forecast model. We showed that it improved the performance of all forecast models we tested including ensembles. Now we hope to deploy it in real-time to see how well it works:
www.pnas.org/doi/10.1073/...
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PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
https://www.pnas.org/doi/10.1073/pnas.2508575122
3 months ago
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Spencer J Fox
Texas Science
3 months ago
A new approach called “epimodulation” — developed by UT Austin researchers & collaborators — predicts epidemic peaks better than current models and could boost health care preparations in future outbreaks.
#Epidemiology
#PublicHealth
@texas-ib.bsky.social
cns.utexas.edu/news/researc...
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A New Tool for Healthcare Gives Better Outbreak Forecasts
Pinpointing an outbreak’s peak, the approach can boost health systems’ preparedness and risk communication.
https://cns.utexas.edu/news/research/new-tool-healthcare-gives-better-outbreak-forecasts
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Why has H5N1 not been as deadly as we were expecting so far? Really liked this summary of the evidence and possible explanations by
@jdrakephd.bsky.social
www.science.org/doi/10.1126/...
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Understanding avian influenza mortality
Three theories could explain why the North American H5N1 epidemic has not been more deadly
https://www.science.org/doi/10.1126/science.adx7159
3 months ago
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Spencer J Fox
Carl Zimmer
4 months ago
Today my
@nytimes.com
colleagues and I are launching a new series called Lost Science. We interview US scientists who can no longer discover something new about our world, thanks to this year‘s cuts. Here is my first interview with a scientist who studied bees and fires. Gift link:
nyti.ms/3IWXbiE
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https://nyti.ms/3IWXbiE
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Spencer J Fox
Nathan Lo
4 months ago
What is the impact of the HHS decision to no longer recommend COVID-19 vaccination during pregnancy? In our new research letter in
@jamapediatrics.com
, we provide estimates on the number of infant hospitalizations under different vaccine scenarios here.
@mathewkiang.com
,
@peterhotezmdphd.bsky.social
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Modeling the Health Impact of Discontinuing COVID-19 Vaccination During Pregnancy in the US
This decision analytical model study estimates the number of avertable COVID-19 hospitalizations in US infants younger than 6 months and pregnant persons with vaccinations during pregnancy.
https://jamanetwork.com/journals/jamapediatrics/fullarticle/2839027
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Was excited to see an explanation for spaghetti models for hurricane forecasts. We use these for infectious disease forecasting too!
weather.com/science/weat...
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How to Read Spaghetti Models During Hurricane Season | Weather.com
Understanding this delicious-sounding term will help you this hurricane season.
https://weather.com/science/weather-explainers/news/2025-06-10-2025-hurricane-spaghetti-models
4 months ago
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Spencer J Fox
Claus Wilke
4 months ago
No university will pay $100k for an H-1B visa. These visas are primarily used for postdocs, and nobody can justify paying an extra $100k for that type of position. That's an entire additional year of postdoc funding. 1/2
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Mark D. Levine
6 months ago
The Legionnaire's Disease cluster in Central Harlem has now grown to 58 cases. 21 hospitalized. Tragically there has been a 2nd death. If you live or work in zip codes 10027, 10030, 10035, 10037 or 10039 and you develop flu-like symptoms, contact a health care provider immediately.
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Spencer J Fox
Mallory Harris, PhD
6 months ago
From Senator
@murray.senate.gov
: the Senate's proposed NIH budget would reject 40% cuts, increase funding by $400M. "We're not going to give up the fight against cancer, Alzheimer's or rare diseases." Message to scientists: "we support you. We need you to stay here & keep this research going."
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Kathleen Bachynski
6 months ago
“The Legionnaires' disease cluster is in Central Harlem. According to NYC Health, the following zip codes are affected: 10027 10030 10035 10037 10039 People who live or work around these ZIP codes and develop flu-like symptoms should see a health care provider right away, the agency said.”
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1 dead, multiple people sickened in Legionnaires' disease cluster in New York City
New York City officials said they are investigating a cluster of Legionnaires' disease that has caused one death and nearly two dozen illnesses.
https://www.usatoday.com/story/news/health/2025/07/31/legionnaires-disease-cluster-harlem-nyc/85454025007/
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Wow! I’m actually surprised we haven’t seen more of this unfortunately… hoping federal funding stabilizes soon 🤞
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6 months ago
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