Reporting on calibration methods in infectious disease models is inconsistent—our new PIPO framework & scoping review reveal gaps and offer guidance to boost transparency and reproducibility. Read more from CCDD authors Emmanuelle Dankwa, Léa Cavalli, @ruchitabalasub1.bsky.social @ bit.ly/4hPBw9g

New paper from Mozambique Instituto Nacional de Saúde and collaborators including CCDD’s @jeff-imai-eaton.bsky.social on findings from the INSIDA 2021 household survey—highlighting heterogeneous epidemic burden across districts and high burden in coastal port cities. bit.ly/47QFBpg

New study led by Salome Kuchukhidze, @mintturonn.bsky.social & @jeff-imai-eaton.bsky.social finds that over 1 in 4 US women living w/ HIV reported past-year intimate partner violence, with pregnant women at a particularly high risk. bit.ly/47YX2F2

Antimicrobial treatments affect both patients and those around them—these indirect effects matter. In our new paper, Juan Gago, @cboyer.bsky.social, and @mlipsitch.bsky.social present a causal framework to estimate them. Read more at bit.ly/4oRc99e

New publication from @rumpl-er.bsky.social and @mlipsitch.bsky.social identify eight considerations to consider when including equity in future vaccine allocation models. Read them here at bit.ly/4nz8ZqC

“It’s hard to explain how the Secretary can think that the President deserves the Nobel Peace Prize for this, while at the same time believing that these vaccines are the most harmful that have ever been made” Me on mRNA vaccines hsph.harvard.edu/news/slashin...

Mauricio Santillana and his team at Northeastern leveraged machine learning as a "team member" to predict dengue fever outbreaks three months in advance with 80% accuracy—turning years of manual data crunching into overnight results. Read it here at bit.ly/4n2wkk9

New modeling from Nick Menzies, @jeff-imai-eaton.bsky.social, @tedhcohen.bsky.social, and collaborators, shows that health aid cuts could lead to over 1.5 million more childhood TB deaths in LMICs by 2034. Read more at bit.ly/47HsoR2

New research highlighting key barriers and opportunities for targeted interventions to enhance motivation, access, and use of HIV prevention among young people in Zimbabwe. Read more from the Manicaland Centre for Public Health Research including @jeff-imai-eaton.bsky.social bit.ly/3Kcznri

New preprint reporting a large piece of work by Katherine Jia to define estimands and estimators for direct impact of vaccines with arbitrary rollout schedules arxiv.org/abs/2509.05508 with Alyssa Bilinski, @chrisboyer.bsky.social and me

Join us tomorrow, September 10, at 1 pm ET, for a @hsphniehsctr.bsky.social and @harvardenvhealth.bsky.social seminar with Dr. Caroline Buckee of @harvardepi.bsky.social. In-person and virtual! Visit hsph.me/niehs-seminar for more info and Zoom registration.

“I think of antibiotics as infrastructure” @yhgrad.bsky.social interviewed for the Harvard Gazette, 'Racing against antibiotic resistance'. Read it here at bit.ly/47PdOqv

Very pleased to share this newly published work with Aishani Aatresh, part of her exceptional Harvard undergrad thesis. journals.asm.org/doi/10.1128/... .

Mauricio Santillana and his team at Northeastern have developed a machine learning method that predicts dengue fever outbreaks with 80% accuracy, equipping public health officials with a powerful new tool to prepare for surges. Read it here at bit.ly/4my3DLM

Multi-country analysis of HIV household surveys identifies large geographic & education disparities in HIV prevalence & engagement w/ HIV prevention and treatment services. Read from Adrien Allorant, @mat-mg.bsky.social‬, & colleagues including CCDD’s @jeff-imai-eaton.bsky.social @ bit.ly/45CZajA

AI-designed new antibiotics take on drug-resistant gonorrhea and MRSA—breaking into unexplored chemical territory and showing promise in mouse models. Led by colleagues at MIT, with contributions from @yhgrad.bsky.social. Read more at bit.ly/4mP1OK5

Ensemble modeling combining mechanistic, statistical, and machine learning approaches improves province-level dengue forecasts worldwide, helping public health decision-makers allocate resources more effectively. Read more from Santillana Lab and collaborators at bit.ly/4luKGs6

And it is quite a paper!!! Really proud to have been a small part of this. I learned a *lot* about both plague and ancient DNA. Kudos to all involved!

New meta-analysis updates global estimates of perinatal & breastfeeding HIV transmission & effectiveness of prevention strategies. Findings inform new UNAIDS 2025 Epidemic Estimates - aidsinfo.unaids.org. From @mkwalters3.bsky.social‬, @jeff-imai-eaton.bsky.social & collaborators @ bit.ly/46BpIUw

Epidemiologist @jeff-imai-eaton.bsky.social warns funding cuts could reverse decades of gains in prevention, care. From the Harvard Gazette www.youtube.com/watch?v=w_x-...

Check out "Are We Prepared for the Next Pandemic?"- CCDD Director, @mlipsitch.bsky.social's conversation with Sam Harris, host of the Making Sense podcast. www.samharris.org/podcasts/mak...

Now out in NEJM. Kudos to @dhelekal.bsky.social and @tatumdmortimer.bsky.social : www.nejm.org/doi/10.1056/...

⚠️ New preprint ⚠️: Two new antibiotics are likely coming for gonorrhea 💊. How should we deploy them in the US to minimize drug resistance? @kroster.bsky.social @dhelekal.bsky.social Eva Rumpler @yhgrad.bsky.social [1/10] www.medrxiv.org/content/10.1...

Congrats to the Class of 2025! Now that the academic year has concluded, we invite you to watch our annual video, "Challenging Times in Epidemiology." It offers a glimpse into the experiences of our students, faculty, staff and researchers during the '24–'25 year 👉 www.youtube.com/watch?v=epWT...

Bill Hanage @billhanage.bsky.social weighs in on RFK Jr’s newly appointed ACIP’s move to examine vaccines licensed seven or more years ago. Read more from BBC News at bit.ly/40rDoxk

Permanently discontinuing HIV services currently supported by PEPFAR in S. Africa could lead to up to 296k more infections and 65k more AIDS deaths by 2028—highlighting the urgent need to sustain effective services. From the Project Linganisa team incl. @jeff-imai-eaton.bsky.social @ bit.ly/4ng03GJ

New tool for pangenome analysis! CLARC refines bacterial gene clusters using functional annotation + linkage—not just sequence. New publication by @indragon.bsky.social & collaborators, advised by @mlipsitch.bsky.social & @billhanage.bsky.social. Read more at bit.ly/4ek0Y51

A new study by Julia Deichmann, @mlipsitch.bsky.social and collaborators at the Sheba Medical Center, Israel uses mathematical modeling to predict antibody kinetics and duration of protection against SARS-CoV-2 following vaccination using sparse serological data. Read it here at bit.ly/43XY9mK

Dr. Yonatan Grad @yhgrad.bsky.social, Professor of immunology and infectious diseases comments on the potential impact of recent decisions related to vaccines made by Health and Human Services Secretary (HHS) Robert F. Kennedy Jr. Read it here at bit.ly/3T2KPqX

Congratulations to our Master's graduates 🎓: Anemone Franz, MPH and Ziyuan Zhang, SM 🎉

Congratulations to our PhD graduates🎓: Dr. Katherine Jia, Dr. Tigist Menkir, and Dr. Sun Kim 🎉

New preprint. After years of increases, gonorrhea diagnosis rates dropped in the US in 2022 and 2023. While the news is promising, understanding WHY is key to sustaining progress. dash.harvard.edu/handle/1/427...

Join us TODAY at 1PM ET for our #IDEpi Seminar presented by Erin Mordecai, Associate Professor in the Biology Department at Stanford University. Register for Zoom at hsph.me/IDEPI25

Join us tomorrow 5/8 at 1PM ET for our #IDEpi Seminar presented by Erin Mordecai, Associate Professor in the Biology Department at Stanford University. Register for Zoom at hsph.me/IDEPI25

Thanks to all who attended and presented at our 20th Freeman-Seage Symposium on Tues, Apr 29! This event was in honor of two renowned faculty members, Jonathan Freeman and George Seage for their leadership and contributions to the field of Infectious Disease Epidemiology

I’m so thrilled to be one of Health Care Without Harm’s 2025 Emerging Physician Leader Award recipients. Excited for CleanMed next week! @harvardcchange.bsky.social @harvardmitmdphd.bsky.social @hsph.harvard.edu @harvardepi.bsky.social @ccdd-hsph.bsky.social us.noharm.org/news/health-...

Happening this afternoon at 1PM ET: #IDEpi Seminar presented by Amy Wesolowski, Associate Professor in the Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health. Register for Zoom at hsph.me/IDEPI25

Join us this Thursday at 1PM ET for our #IDEpi Seminar presented by Amy Wesolowski, Associate Professor in the Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health. Register for Zoom at hsph.me/IDEPI25

New publication on STI burden in sub-Saharan Africa (2000–2024) finds rising chlamydia prevalence & key sex differences in trends. By Julia Michalow, @quintonhayre.bsky.social, Salome Kuchukhidze, and @dom-reed.bsky.social from @jeff-imai-eaton.bsky.social Lab & collaborators. bit.ly/44aXQWe

Join us TODAY at 1pm ET: #IDEpi Seminar presented by Trevor Bedford, Professor at the Fred Hutchinson Cancer Center and Howard Hughes Medical Institute. Register for Zoom at hsph.me/IDEPI25

New Brief Report out in @pnas.org with Katherine Budeski: www.pnas.org/doi/10.1073/... Focusing a virus risk ranking tool on prediction -- highlighting the importance of training models for viral emergence only on data available before emergence has happened.

Please join us on Tues, Apr 29 for our 20th Freeman-Seage Symposium featuring presentations highlighting #IDEpi topics. This event honors two renowned faculty members, Drs. Freeman (left) and Seage (right) for their leadership and contributions to the field.

Join us this THURSDAY at 1PM ET for our #IDEpi Seminar presented by Dr. Mathieu Maheu-Giroux, Associate Professor in the Department of Epidemiology and Biostatistics, McGill University. Regsiter for Zoom at hsph.me/IDEPI25

New Lancet #healthpolicy review: Protecting Africa’s children from extreme risk: a runway of sustainability for PEPFAR programmes — with contributions from CCDD’s @jeff-imai-eaton.bsky.social. Read more at bit.ly/42wKn8C

New commentary on pandemic surveillance and the need to have it be repeatable/continuous for updating, out in @pnas.org with Freya Shearer of Uni Melbourne: www.pnas.org/doi/10.1073/...

Advancing health equity in wastewater-based epidemiology: A global critical review and conceptual framework. New publication by PhD Student @ruchitabalasub1.bsky.social, Dr. @billhanage.bsky.social, and collaborators. Read it here at bit.ly/4cvgJVQ

New preprint on how to approach antimicrobial use and resistance from a causal perspective led by Juan Gago and @cboyer.bsky.social @ccdd-hsph.bsky.social www.medrxiv.org/content/10.1...

New publication by Dr. Menzies, Dr. @jeff-imai-eaton.bsky.social, and collaborators: Distribution and transmission of M. tuberculosis in a high-HIV prevalence city in Malawi: A genomic and spatial analysis. Read it here at bit.ly/3DVFnCh

Happening this afternoon at 1PM ET: #IDEpi Seminar by Prof @vmminin.bsky.social, Professor of Statistics, Assoc Director of the Infectious Disease Science Initiative, at University of California, Irvine. Register at hsph.me/IDEPI25

New preprint by postdoc @tmpham.bsky.social, Dr. @yhgrad.bsky.social, Dr. @mlipsitch.bsky.social and collaborators from the University of Utah: Characterizing antimocrobial selection pressure on resistance across four major causes of infections. Read more at bit.ly/446rtaY