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Thomas R. Holtz, Jr. @arctomet.bsky.social Tyrannosaur Expert; Dinosaur Paleontologist; University of Maryland Geology Faculty; Director of the College Park Scholars-Science & Global Change Program; Science Author; Cat Dad; 🦖🦕
Dr. Cecília Tomori @drtomori.bsky.social 🇭🇺🇺🇸 Anthropologist/Public Health Prof breastfeeding, lactation, MNCH, reproduction, public health, health policy, equity, justice 🤱🏾🤱🏽🤱 posts - my own. https://nursing.jhu.edu/faculty-research/faculty/directory/cecilia-tomori/
Jackie Marie💙🌊 @jandoxie.bsky.social Public Health geek, RN, MPH, CIC. Dog Mom. Member of the Bills Mafia. Adjunct Professor. Spending time traveling and assembling puzzles🧩
Henrik Dahlgren @mllstrm.bsky.social Epidemiologist who lives in Gothenburg, works at the regional center for disease control and does some register based research on COVID-19
https://mllstrm.netlify.app
Dr. Kelly O. @drkfo.bsky.social Chief Scientist for Next-Generation Sequencing & Bioinformatics at The Utah Public Health Laboratory
🌟 SEQUENCE ALL THE THINGS! 🌟
I oversee all the sequencing and data analysis for infectious disease pathogens for the state. All opinions are my own!
Michelle Stevens, MS (she/her) @mybodymyqueen.bsky.social T1D est 1992 💜Unofficial Hormone and Public Health Nerd 🤓 Official Exercise Science Nerd 🥄 Spoonie 🦀🌅🐏☀️🐠🌙
Joel Kammeyer @joelkammeyer.bsky.social Ellie and Liam’s Dad. Division Chief of Infectious Diseases, Wayne State University / Detroit Medical Center.
Emma Kate Loveday @doctorloveday.bsky.social Assistant professor at Montana State University. Exploring single cell virology and influenza A viruses.
Laura Eva, MPH, MS, CPH @lauraeva.bsky.social Infectious disease epidemiologist. Nina Totenberg stan. Captivated by biostatistics, biomedical science, public health, and politics. #medsky #episky
Sheri Fink @sherifink.bsky.social Author: Five Days at Memorial, War Hospital. EP, Pandemic (Netflix); producer, Five Days at Memorial (Appletvplus). @nytimes.com. MD, PhD. Sherifink.net/bio
Amanda M. Simanek (she/her) @msimanek.bsky.social Assoc Prof of Epi, Chicago Med School; Director, Center for Health Equity Research, @rfuniversity.bsky.social. Sociostructural drivers of health, social needs in healthcare, and info consumption and health. | Founding member @thosenerdygirls.bsky.social.
Gianni @gzehender.bsky.social Public health and hygiene prof and virologist evolutionist
Steven Moity @stevmoi.bsky.social Freelance reporter and News Assistant @nytimes | Alumn @nyu | steven.moity@nytimes.com | (he/him/his)
https://www.nytimes.com/by/steven-moity 
Just a Regular Person @superawesomepossum.bsky.social An academic staying as anonymous as possible to stay safe from trolls and other wild internet creatures. I'm a big science nerd and enjoy statistics, behavioral science, neuroscience, biology and medical research, and sometimes physics. 
Emily Adams (she/her) @craftydiem.bsky.social Poverty is a policy choice. ND family, federal child care policy wonk, love of all things textile, never enough dogs, anti capitalist, still masking
Beth Marlowe, PhD, D(ABMM) @marlowe-beth.bsky.social Clinical Microbiologist trying to do my part to contribute. All views are my own.
Swedish Chef @swdshchef.bsky.social Husband, dad, oncologist, virologist, rower. I’m evidence-driven. Fallen academic (U of MN, NIH, UC-San Diego) who went into drug development. Not Swedish nor a chef, but Beaker is a valued friend.
Jon Magnus Johannesson @jmicrobe.bsky.social ID fellow at Duke University Hospital | MD | Fan of everything related to ID and microbiology | Amateur fan of biology in general
Emily Somers, PhD ScM 💚🌻 @emsomers.bsky.social Prof @UMich.edu | Epidemiologist
Alum @LSHTM.bsky.social 🇬🇧 + @JohnsHopkinsSPH.bsky.social
autoimmune, musculoskeletal, lupus, scoliosis, women’s health, COVID-19
👧👧👧+🐕mom | 🌱urban gardener
Calli @theaoia.bsky.social Science, COVID, avian flu H5N1, epidemiology, climate change, environmental changes through history, the natural world, the future, AI ethics, art.
Michael Olesen @molesen.bsky.social Epidemiologist with expertise in pandemics, healthcare infection prevention, and emergency management.
See my COVID data viz at https://icemsg.org/
Twitter: @maolesen
Threads: michael_a_olesen
@bbakos.bsky.social @bbakos.bsky.social Epidemiologist here to lurk
Ginny @ginflo2.bsky.social stocks, caregiving, parenting, advocate for clean indoor air #CorsiRosenthalBox until the ventilation revolution finally arrives 💨📦 💉😷
🇸🇪🇫🇮➡️MN➡️NY 🐸
Meg Gray @meggray.bsky.social ID Rx, Director, advocate for govt supported public health and social nets. Traded driving my kids to sports to driving my dogs to sports.
Jessica Briggs @jessikator.bsky.social ID doc at UCSF. One of the many #womeninmalaria.
Cannula Transfer @cannulat.bsky.social Science + health + education + academia + research + film + e-learning + 50 other random things + cats. The cats are the important bit.
Julia Raifman, ScD @juliaraifman.bsky.social Evidence-based posts about public health & equity. All views are my own and without AI.
Hollie Watson-Smith @hwhatson.bsky.social Epidemiologist coping with books, history, and snark
University of Arizona alumna 🐻⬇️
she/her
Opinions are my own.
Adam Chess @arsonade.bsky.social M.A. philosophy, MPH
Healthcare Data Scientist. He/Him.
Philosophy, public health, stats, data science, scifi, art, TTRPGs, game design, and comics.
I mostly just repost when I learn something
Catherine Taylor @catherineetaylor.bsky.social Healthcare Administrator and Public Health Student by day, nerd by night. Fueled by coffee, curiosity, and a hatred of small talk. Opinions are my own, but I might let you borrow one.
Maggie Fox @maggiefox.bsky.social Journalist. Health, science, tech in plain English and in context. Truth is not liberal bias. Facts matter, but stories stick. maggie.34 on Signal maggiefox.com
https://www.scientificamerican.com/author/maggie-fox/
onehealthtrust.org podcast host
Jonathan Weber, MPH @jweberepi.bsky.social PhD student, Environmental & Planetary Health Sciences, CUNY SPH | Epidemiology | Demography | Science communication
Iain King @iainbking.com Author, former Director of NATO Mission Iraq, diplomat and academic. Fascinated by philosophy and thrillers. CBE, likes tea.
Dr. Dawn Bowdish @msmacrophage.bsky.social Professor of Medicine, McMaster University
Executive Director of the Firestone Institute for Respiratory Health
Board of Directors Lung Health Foundation
#macrophages #aging #respiratoryinfections #vaccinations #immunity #inflammation #scicomm
epimom.bsky.social @epimom.bsky.social Infectious disease epidemiologist. Queer. She/her. Mom. Midwesterner. Views my own.
Len Courland @infectiousjk.bsky.social Working to keep illness in check.
Alan J. Card @alanjcard.bsky.social PhD / MPH. Associate Professor. Systems design and improvement for health and care. #PatientSafety, #QISky #riskmgt, #designthinking, occupational safety/wellbeing, #academicsky. Also puns.
Troy Tassier @troytassier.bsky.social Public health, health equity, economic inequality, complex systems, social networks
Economist at Fordham
Author: The Rich Flee and the Poor Take the Bus: How Our Unequal Society Fails Us during Outbreaks (JHU Press)
Book webpage: troytassier.com
Mitchell Tyler @mrtyler7.bsky.social Biomedical Scientist - vaccine, biosurveillance, comics, and fantasy enthusiast. And more politics than is probably healthy. 
Bree H @breeherndon.bsky.social 🇺🇸 in 🇦🇺 MPH student, infectious disease professional wannabe, recovering CNM, aspiring stay-at-home cat mom.
MarkB @kdrmbroms.bsky.social Reader, Writer, Teacher, Community Advocate
DocScribbles / Cathy Cichon @docscribbles.bsky.social ID doc with Med-Peds background. I draw comics and medical illustrations 🎨 Interested in health equity and medical education.
📍Colorado
Sarah Bosley @sarahmbosley.bsky.social Econ & policy geek, mom, wife,
(anti-TERF) feminist, citizen and volunteer
Mary-Margaret Fill, MD, MPH @mmfill.bsky.social Physician (IM/Peds). Epidemiologist. Mom. Wife. EIS ('15) and ELBI ('17) alum.
Public health, biosecurity & medicine.
Posts rep only me. Reposts ≠ endorsement.
Alexandra Phelan 余雪莲 @alexandraphelan.bsky.social Associate Professor, Global Health Law, Johns Hopkins
- Senior Scholar, Center for Health Security
- Director (Policy), Institute for Planetary Health
International law, infectious diseases, pandemics, equity, solidarity & justice
Matt Frieman @mattfrieman.bsky.social Alicia and Yaya Professor of Viral Pathogen Research, Center for Pathogen Research, Department of Microbiology and Immunology, University of Maryland School of Medicine. #virology #coronavirus #vaccines #Influenza Opinions are my own. FriemanLab.com
Lauren Sauer, PhD, MSc @lsauer.bsky.social “Be careful. When a democracy is sick, fascism comes to its bedside, but it is not to inquire about its health.” - Albert Camus- J @jasonasher.bsky.social @jasonasher.bsky.social
Tom Nichols @radiofreetom.bsky.social Staff writer at The Atlantic. Cat guy, Jeopardy champ. New Englander and curmudgeon. Speaker info: https://www.leighbureau.com/speakers/tnichols
Ed Yong @edyong209.bsky.social Writer, journalist. Science, health. Pandemics, animals. Birder, photographer. Many words, some awards. AN IMMENSE WORLD, I CONTAIN MULTITUDES. Married to Liz Neeley, parent to Typo. he/him
📷 Canon R6mkii + RF 800mm
Edyong.me
Gigi Gronvall @ggronvall.bsky.social Professor, Johns Hopkins Bloomberg School of Public Health, Department of Environmental Health and Engineering. 1st Hopkins prof to be a Marching Raven! gigigronvall.com
Amy Maxmen, PhD @amymaxmen.bsky.social Award-winning public health reporter at KFF Health News. Bylines at Nature, New York Times, National Geographic & more. AmyM@kff.org Signal: AmyMaxmen.25 www.amymaxmen.com & https://kffhealthnews.org/news/author/amy-maxmen
STAT @statnews.com Reporting from the frontiers of health & medicine.
Explore all of our newsletters here: https://www.statnews.com/signup/
Kori Schake @kschake.bsky.social Leads AEI’s foreign and defense team, author of The State and the Soldier, contributing writer at The Atlantic. 2025-2026 Kissinger Chair at the Library of Congress. Californian. https://www.aei.org/profile/kori-schake/
John Dickerson @jdickerson.bsky.social Reporter. Podcasts: Gabfest/Whistlestop/Navel Gazing. Contributor, The Atlantic. Author, The Hardest Job In the World: The American Presidency
Https://www.johndickerson.com
Jeffrey Lewis @armscontrolwonk.bsky.social William J. Perry Lecturer at Stanford CISAC & Distinguished Research Fellow FPRI. Member of the Bulletin of Atomic Scientists Science and Security Board & National Academies Committee on Int’l Security and Arms Control.
EM Simpson @emsetc.bsky.social I am not a committee. Defense, pop-culture, Jayhawk propaganda. All opinions my own.
Co-host of Sirens: A Bombshell Production https://podcasts.apple.com/us/podcast/sirens-a-bombshell-production/id1195698408
Benjamin Wittes @benjaminwittes.lawfaremedia.org Editor in Chief, @lawfaremedia.org
Senior Fellow, Brookings
Author, #DogShirtDaily
Host, #DogShirtTV
Purveyor of mischief.
Harasser of Russian diplomats worldwide.
BeijingPalmer @beijingpalmer.bsky.social Deputy editor at Foreign Policy, China nerd, gaming nerd, reads a lot. Never again a country without consequences.
Daniel Drezner @dandrezner.bsky.social Political science professor, academic dean, writer, podcaster, shaker of hands with Mel Brooks — you know, the usual kinks.
Josh Michaud @joshmich.bsky.social Associate Director Global Health and Public Health Policy @KFF.
U.S. and international public health, infectious disease epidemiology, global health security.
Dan Diamond @ddiamond.bsky.social White House reporter at the Washington Post. Focused on politics, policy and public health. Democracy dies in darkness.
Find me on Signal: username dan_diamond.01
Eric Topol @erictopol.bsky.social physician-scientist, author, editor
https://www.scripps.edu/faculty/topol/
Ground Truths https://erictopol.substack.com
SUPER AGERS https://www.simonandschuster.com/books/Super-Agers/Eric-Topol/9781668067666
Brett Weed @tarheelphan.bsky.social Public health scientist, dad to a pack of three girls and three dogs, and adjunct at Johns Hopkins and UC Riverside. Lesser half of @carolinalaw08.bsky.social
I want to live in boring times @docbazac.bsky.social Infectious Disease Epidemiologist. Biodefense. Global Health Security. Biosurveillance. 
Dr. Glaucomflecken @glaucomflecken.bsky.social Ophthalmologist. Comedian. Speaker. Jonathan.
Carl Zimmer @carlzimmer.com NYT columnist. Signal: carlzimmer.51
Newsletter: https://buttondown.com/carlzimmer/
Web: http://carlzimmer.com
[This account includes a tweet archive]
Matthew Sitman @mattsitman.bsky.social writer, co-host of Know Your Enemy
Saskia Popescu @saskiapopescu.bsky.social Infectious disease epidemiologist & global heath security strategist | GHSN CEO |UMB Asst Prof working in pandemic prep, biosurveillance, One Health, AMR, BW & biosecurity. ELBI & CFR ☣️
Biopreparedness & biothreat guru - movie aficionado. Views=my own
Great art on Bluesky @art.feediverse.org A beautiful work of art every every hour.
Alison L Hill @alisonhill.bsky.social Fighting infections with math | Moved to Ecology & Evolutionary Biology @utoronto.ca | Formerly at @jhu.edu
Dr Charlotte Hammer @epihammer.bsky.social Assistant Professor at Cambridge University, Fellow of Downing College. Health security and infectious disease epidemiology focused on early detection of emerging & high-consequence infectious diseases. Systems & communities.
https://idea-epilab.github.io
Adam Kucharski @adamjkucharski.bsky.social Epidemiologist/mathematician. Professor at London School of Hygiene & Tropical Medicine. Author of The Rules of Contagion and The Perfect Bet. Views own.
New book Proof: The Uncertain Science of Certainty available now: proof.kucharski.io
William Shakespeare @shakespeare.lol All the world’s a stage
Bloom lab @jbloomlab.bsky.social Lab studying molecular evolution of proteins and viruses. Affiliated with Fred Hutch & HHMI.
Opinions are my own and do not reflect those of my employer.
https://jbloomlab.org/- M Marc Lipsitch @mlipsitch.bsky.social Professor of Epidemiology Harvard Chan SPH, Director, @ccdd-hsph.bsky.social. Views my own.
Kristian G. Andersen @kgandersen.bsky.social Infectious diseases & genomics. Immunologist in (voluntary) exile. Minimal sarcasm. Fierce HOA (Hater of Acronyms). Personal account - opinions expressed are my own and not those of my employer.
Maryn McKenna @marynmck.bsky.social Journalist. Contributing Ed, Scientific American. Senior Fellow, Emory Univ Center for the Study of Human Health. Books: BIG CHICKEN, SUPERBUG, BEATING BACK THE DEVIL. Stories: https://authory.com/marynmckenna. Location: points on the 44th parallel.
Marion Koopmans @marionkoopmans.bsky.social Virologist, into emerging viral infections, one health, climate and health. Head viroscience department ErasmusMC, Rotterdam NL. Backup for the ex-bird platform. ORCHID 0000-0002-5204-2312; https://pure.eur.nl/en/persons/marion-koopmans . 
Christine Parthemore @clparthemore.bsky.social Mama bear, birder, Buckeye, globalist, native plant guru. Also CEO @ Council on Strategic Risks & nuclear, biosecurity & counter-WMD expert. All views mine alone.
James Diggans @jdiggans.bsky.social Bioinformatics and biosecurity
Tate Collection @tate.bsky.social Art from the Tate Collection.
Tate is an institution that houses the United Kingdom's national collection of British art, and international modern and contemporary art. #artbots by @nuwaves-future.bsky.social
https://www.tate.org.uk/
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
JS @jsplaceholder.bsky.social US foreign assistance, infectious disease epidemiology, & a more perfect union 🫠 Bonus Texas/books/backpacking
Michael Bazaco @mcbazacophd.bsky.social Infectious disease epidemiologist in the public sector, EIDs, Outbreaks, Zoonoses,
Virginia Tech and Pitt grad, UMD Public Health adjunct faculty, Smash All Fascism, he/him, Dad, DC adjacent, probably stuck in traffic, the #AllCaps make me cry
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
Helen Branswell 🇨🇦 @helenbranswell.bsky.social I cover infectious diseases for STAT (www.statnews.com). 2020 Polk winner. Nieman '11. She/her. I write about H5N1 (in all species), Covid, polio, flu, Ebola, RSV, mpox, STIs. Send me news tips on Signal: HBranswell.01
Matt Watson @bioandbaseball.bsky.social #Biosecurity, #Biodefense, #Biotech, Pandemic Preparedness
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9