Paul Krugman @pkrugman.bsky.social Ex NY Times, now author of Substack Paul Krugman. Nobel laureate and, according to Donald Trump, "Deranged BUM". Also Research Professor at the City University of New York Graduate Center and senior scholar at the GC-CUNY Stone Center.
David Keegan @drdavidkeegan.bsky.social Academic family doc. I try to enable as much health and joy as possible. Against fascism. Lifter. Unpublished poet. Goalie. 🏳️🌈 (he/him) 🇨🇦 🇺🇦 🇵🇸 🇬🇱
Same handle (@drDavidKeegan) on YouTube.
Canadian Paintings @canadianpaintings.bsky.social "Above all, we loved this country and loved exploring and painting it." ~ Lawren Harris
Mark Carney @mark-carney.bsky.social Prime Minister of Canada and Leader of the Liberal Party | Premier ministre du Canada et chef du Parti libéral
markcarney.ca 
McNally Robinson Booksellers @mcnallyrobinson.com Canada's largest, most eventful independent bookstore.
https://linktr.ee/mcnallyrobinson
The Walrus @thewalrus.ca Award-winning independent journalism, fact checking, national ideas-focused events, and podcasts. Stay connected: http://thewalrus.ca/newsletters
Professor Clare Collins AO @profccollins.bsky.social Laureate Professor in Nutrition & Dietetics | Uni Newcastle | NHMRC Research Fellow | FAHMS FNSA FDA APD | Own Opinions l Nutrition Science Bites podcast https://shorturl.at/rzycT
Thomas Bosch PhD RDN LDN @boschnutrition.com #Dietitian #Nutritionist #RDN in #EugeneOR supporting patients in reaching their #health, #nutrition, and #weightmanagement goals.
boschnutrition.com
linkedin.com/in/boschnutritionllc/
#lifestylemedicine #wholefoods #plantbased #Oregon #eatrightPRO
Gerard Hughes @ghhughes.bsky.social Kanro grant recipient for respiratory protection testing and advocacy. Science aficionado. Cat fan. Clean air and NPI proponent.
@ghhughes at the old place
https://www.youtube.com/@gerardhughes
Aurel Wünsch @aurel.indoorco2map.com Hier privat zu Energie | Emissionen | Digitalisierung | Covid | Arbeitet bei der Prognos AG | In my free time I work on http://indoorco2map.com (there is also a discord server for it: https://discord.gg/9FqE7wna4D )
Al Haddrell @ukhadds.bsky.social Aerosol scientist/Aerobiologist, Canadian and #Canucks fan living in the UK. #eurovision enthusiast. https://www.youtube.com/@AlHaddrell
MaddowBlog @maddowblog.bsky.social MaddowBlog.com
Rachel: https://bsky.app/profile/maddow.bsky.social
Steve: https://bsky.app/profile/stevebenen.com
Nandini @nandini0306.bsky.social 🇨🇦🍁Mother
Healthcare Professional | Advancing Pediatric post-COVID Strategy |
Founder, Children’s Long COVID Network (CLCN)
Outspoken views on Children's Long Covid/Post Covid Illness, research, care, and treatment.
Nancy Malek @n95anaesthetist.bsky.social Anaesthetist in Sydney. Advocates for N95s and clean indoor air. Waiting for Novavax. Believes that doctors have a duty of care to learn about covid.
Marie Campbell🍁 @justplaincooking.ca Nova Scotia food nerd | Author
Practical Canadian cooking at justplaincooking.ca
Feeding people with love & stubbornness
Mom x6 | Brain tumour survivor
Kindness first · 🌈⃤🦋
Ken Milne MD @thesgem.bsky.social Trying to cut the knowledge translation window down from over 10 years to less than 1 year with the power of social media.
Remember to be skeptical of anything you learn, even if you heard it on the Skeptics’ Guide to Emergency Medicine.
www.TheSGEM.com
Frances Ryan @francesryan.bsky.social Guardian columnist and journalist. Commentator of the Year 2024. Author of Who Wants Normal? (paperback out now) and Crippled.
E: frances.ryan.freelance@guardian.co.uk
Anthony Leonardi @fitterhappieraj.bsky.social 
Dr David Canty @drdavidcanty.bsky.social Academic Cardiac and Mobile Anaesthetist | University of Melbourne and Medical School | Medical Director of Sleep Dentistry Services | Day Care Anaesthesia Special Interest Committee
🌐 www.sleepdentistryservices.com.au
📞 0429 058 878
Jonathan Shedler @jonathanshedler.bsky.social Professor, psychologist, author. Tweets about psychology, psychiatry, psychotherapy.
I say the quiet part out loud.
Kevin Hall @kevinh-phd.bsky.social Nutrition, metabolism & obesity scientist. KevinHallPhd.com
Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social Texas Medical Center (TMC) Pediatrics Professor-Vaccine Scientist-Author; Member, Philosophical Society of Texas, Texas Academy of Medicine Engineering Science Technology, National Academy of Medicine, American Academy of Arts and Sciences
CIDRAP @cidrap.bsky.social The Center for Infectious Disease Research and Policy, University of Minnesota.
🔗 Our website: https://www.cidrap.umn.edu/
📨 Daily News newsletter: https://www.cidrap.umn.edu/newsletter
🎧 Latest podcast episode: https://www.cidrap.umn.edu/osterholm-update
Ryan Hisner @ryanhisner.bsky.social Teacher. Learner. Investigating mysteries of SARS-CoV-2 evolution. LongDesertTrain on another platform.
Dr David Joffe MB BS(Hons), PhD, FRACP @davidjoffe64.bsky.social Respiratory and Sleep Medicine
Neurobiology and Long Cövid
Vice President of ISLC & PAIS
Blake Murdoch @blakemurdoch.bsky.social JD, MBA. Canadian. Health policy, law, bioethics and inconvenient truths.
Jonathan Howard @joho.bsky.social I love vaccines, animals, and my wife, who set up this profile.
https://sciencebasedmedicine.org/we-want-them-infected/
Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
CTV News London @ctvnewslondon.bsky.social 
Canadians Against Separation @notoseparation.bsky.social #teamcanada
Trevor Tombe @trevortombe.bsky.social Professor of Economics, University of Calgary | Alum U of T & SFU | Inflation, carbon taxes, equalization, internal trade, R, and more! | 💻 📊 📝 🍻
Peggy Sattler @peggysattlerndp.bsky.social MPP for London West | ONDP Chief Whip and Shadow Minister for Colleges and Universities, Research Excellence and Security
peggysattler.ca
Charlie Angus @charlieangus104.bsky.social Politics, author of Dangerous Memory: Coming of Age in the Decade of Greed. Meidas Canada/ The Resistance Lead singer with Grievous Angels. Just a boy from Cobalt.
Not a space for the cynical and snide.
🇨🇦 Kari Raymer Bishop @kariraymerbishop.bsky.social Mom of fierce preemie, wife of kind professor, teller of stories, keeper of bees, and lover of cheese. (Paris ON) (she/her)
As an educator and advocate, I love to talk about building community and making things better.
🇨🇦 Vive le Canada 🇨🇦
Western University @westernu.ca #WesternU combines research excellence with a transformational student experience to create a meaningful impact in #LdnOnt and beyond. #PurpleAndProud 💜 #AllinWesternU
westernu.ca | news.westernu.ca | allin.westernu.ca
Institute of Health Emergencies & Pandemics @uoftpandemics.bsky.social Transforming the future of public health emergency research through interdisciplinary collaboration, building capacity, and driving action.
@rickabright.bsky.social @rickabright.bsky.social 
SharonBurnabyBC @sharonburnabybc.bsky.social 🇨🇦 5.5 years of putting COVID news, research and encouragement to stay safe on Facebook. BC & Canada COVID Aware and Cautious group.
Iris Gorfinkel, M.D. @drgorfinkel.bsky.social Family doctor, clinical researcher, founder of PrimeHealth Clinical Research, contributor to @CBCRadio @GlobalNewsCa @TorontoStar @ZoomerMedia
Dr. Jen Irwin @drjenirwin.bsky.social Professor, Health Promotion, views are my own. Evidence-informed decision-making is important. Integrity matters. N95 wearer. Dog mom. (She/her) 🇨🇦
Prof Bill McGuire @profbillmcguire.bsky.social Volcanologist, climate scientist, writer, broadcaster, activist, socialist, best-selling author of HOTHOUSE EARTH: AN INHABITANT'S GUIDE. Born @ 313
Home town, Llanelli (South Wales) - lives in the wonderful Peak District
Website: billmcguire.co.uk
MoneySense @moneysense.bsky.social MoneySense helps Canadians make better financial decisions, at every age and stage.
Helen Wong @helenwong.bsky.social Postdoctoral Research Fellow at Dalhousie University | #dietitian | studies foodwork, technology use, cardiovascular disease, and diet quality | FirstGen scholar | 👟runner | 🧶 knitter | 🇨🇦
Thomas Piggott MD PhD @twpiggott.bsky.social Medical Officer of Health & CEO @phlakelands.bsky.social researcher @hei_mcmaster | dad, doctor, dreamer
My French Dietitian @myfrenchdietitian.bsky.social Your expert in nutrition, diet and food related topics. Follow us and you'll immediately lose 2kg 😉
#food #recipe #nutrition #coach
Laura Babcock 🇨🇦 @laura-babcock.bsky.social Passion for people, politics and progress. Proud Mom, advocate for social justice, PR communications expert @powergroup.ca, Current Affairs Pundit, former CBC Journalist, Host of The OShow Canada's Pro Democracy Podcast. Subscribe on YouTube and Spotify 🇨🇦
STAT @statnews.com Reporting from the frontiers of health & medicine.
Explore all of our newsletters here: https://www.statnews.com/signup/
Lizzy Lawrence @lizzylawrence.bsky.social Journalist @wsj.com writing about the pharmaceutical industry. Tips welcome! Signal is lizzylaw.53
Beth Marie Mole @bethmariem.bsky.social Senior Health Reporter at Ars Technica. PhD in microbiology. Microbes, infectious diseases, public health, questionable puns. (she/her)
beth.mole@arstechnica.com | bethmm_ars.02 (Signal)
Matthew Trevithick @mtrevithick.bsky.social Journalist, photographer, burned out, need new avatar
matthew.trevithick@cbc.ca / Twitter: @m_trevithick / #LdnOnt
Liz Szabo @lizszabo.bsky.social She/her. Award-winning health and science journalist. Investigative reporter at CIDRAP News. LizSzabo.30 on Signal. https://www.cidrap.umn.edu/all-news
David Cochrane @davidwcochrane.bsky.social Homesick Newfoundlander. Go Niners
Michelle Gamage @michellegamage.bsky.social Reporter for The Tyee covering health and biodiversity. I write about local research, sex, salmon, toxic drugs, bats, what your grandmother is up to, and all the different ways you can (but haven't yet) become dead in B.C.
Brett McKay @brettmckay.bsky.social Reporter for the Investigative Journalism Foundation
Email: brett.mckay@theijf.org
Signal: brettmckay.23
Crawford Kilian @crof.bsky.social Retired college teacher, recovering novelist. Born 1941 (CO2: 310 ppm). Still doing journalism and walking the dog. Writing for @thetyee.ca for over 20 years.
@markcritch.bsky.social @markcritch.bsky.social Best selling author, comedian. 22 Minutes on CBC and Son of A Critch on CBC and Netflix USA
Ian Sample @iansample.bsky.social Guardian Science Editor and co-host at Science Weekly. Author of Massive | Sony Gold Award | PhD in Biomedical Materials
https://www.theguardian.com/profile/iansample
Kit Yates @kityates.bsky.social Author and Professor of Maths and Public Engagement.
Books -
Math(s) of Life and Death
How to Expect the Unexpected
You Don't Know What You're missing
https://tinyurl.com/37rx2yuv
He/Him
Dustin Poppendieck @poppendieck.bsky.social Indoor air quality scientist. Thoughts are my own. No financial interests in air cleaners, monitors or other related devices.
Denise Dewald, MD @denisedewald.bsky.social Health is inextricably linked with politics. Democracy requires participation. End all aid to Netanyahu’s regime. Opinions my own.
Linda Dalpé @dalpe.bsky.social Mom, wife, snowshoer, mountain biker, wannabe techie, gardener et médecin à la retraite. Je cuisine surtout avec des tomates.
https://www.amplifyeast.com/amplifiedvoices/linda-dalpe
Jane Philpott @janephilpott.bsky.social Personal account. Mom and Grandma. Chair of Ontario’s Primary Care Action Team. Family physician. Former dean of health sciences. Former federal minister of health. Author of HEALTH FOR ALL available now at https://bit.ly/3SMKVU2
Scott Gottlieb, MD @scottgottliebmd.bsky.social Senior Fellow at the American Enterprise Institute. Partner, New Enterprise Associates. Contributor CNBC. 23rd Commissioner of the U.S. FDA. Boards: Pfizer, Illumina, TempusAI, United Health
Malgorzata (Gosia) Gasperowicz @gosiagasperophd.bsky.social Developmental biologist, researcher. Makes COVID predictions that (so far) come true.
Proponent of preventing transmission and aiming for elimination of pathogens (incl. SARS2)
#StopTransmission, #CleanTheAir, prevent #LongCOVID
@jimrosenthal5.bsky.social @jimrosenthal5.bsky.social Interested in filtration and indoor air quality. Lifelong learner.
Mike Hoerger, PhD, MSCR, MBA @michael-hoerger.bsky.social Expert in weighing medical evidence, cancer, COVID forecasting & mitigation, health disparities, financial analytics. 120 publications. PhD program director. Cancer center program leader.
pmc19.com/data
psychmike.com
Nicole E. Basta @nicolebasta.bsky.social Infectious Disease Epidemiologist | Canada Research Chair in Infectious Disease Prevention | Professor @McGill | Affiliate Faculty @UMN & @FHCC | UW PhD | Cambridge MPhil | Princeton AB | 🇺🇸in🇨🇦
Raghu Venugopal MD @raghu-venugopal.bsky.social Emergency Medicine 
Karun Pal @karunpal.bsky.social Insights & observations to help introverts grow mentally, emotionally, and spiritually
George Tsakraklides @tsakraklides.bsky.social Bestselling Substack writer, biologist, author of THE UNHAPPINESS MACHINE. Bioeconomics, Systemic Trauma, Capitalism. THE BIOLOGY OF COLLAPSE Out Now
georgetsakraklides.substack.com
Norm Di Pasquale🇨🇦 @normsworld.bsky.social Chair of NoJetsTO. Ford is trying to ram jets down our throat, sign the petition at NoJetsTO.com!
Prognostic Chats @prognosticchats.bsky.social Not active on here…
MayorMorgan @mayormorgan.bsky.social Calm down
Dr. Glenn Patrick Doyle @drdoylesays.bsky.social Psychologist; SEEK Safely board president; marathoner. Realistic, sustainable trauma & addiction recovery.
One day at a time.
Nate Postlethwait @natepost.bsky.social I’m no longer active on this app. You can find me here:
natepostlethwait.substack.com
Rachel Gilmore @rachelgilmore.bsky.social Your least favourite person's least favourite award-winning journalist✨
Follow for short-form videos on issues that matter! 💅
SUBSCRIBE: rachelgilmore.substack.com/
https://linktr.ee/rachel_gilmore
Chris Turnbull @enemyinastate.bsky.social Journalist @Enemy In A State. "Gutter Journo" who, unfortunately, has to report from the gutter, as that's where 99.9% of politicians dwell patreon.com/c/EnemyInAState265
Richard Corsi @corsiaq.bsky.social Dean - College of Engineering at the University of California, Davis. Indoor air quality researcher. Dog lover. Music lover. Acoustic guitarist. Faith in younger generations.
Posts are my own.
JPWeiland @jpweiland.bsky.social Scientist+Engineer. Infectious disease modeler. Posts and spelling mistakes my own
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/
Dr Sandra Frank @dietitianonline.bsky.social Registered Dietitian Nutritionist (RDN) ranked among top 5 Wellness Influencers—reports on recalls, food, nutrition, home gardens, dachshunds, beagles, Monarch butterflies. UCP mom advocating for persons with disabilities. Specialize in menu/recipe designs
Hannah Davis @ahandvanish.bsky.social Research, algorithmic art & music, machine learning, anti-bias in AI data. #LongCovid research & advocacy @patientled.bsky.social.
Sphagnum Moss @mosssphagnum.bsky.social Keystone species of a bog
Jillian Horton @jillianhortonmd.bsky.social Writer, doctor, thinker, dreamer, schemer, believer, consulting producer, author WE ARE ALL PERFECTLY FINE (HarperCollins). Make good waves. Opinions mine.
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
CNN @cnn.com Asking the hard questions and bringing unique perspectives from across the globe. This is CNN.
Ontario School Safety @onschoolsafety.bsky.social Demanding clean, breathable air for our kids & ed workers. Healthy, safe & stable schools & buses for ALL.
We believe clean air can be achieved by many means: ventilation, filtration, N95 masking, UV disinfection, & isolating.
Birgit Umaigba-Omoruyi RN @birgitomo.bsky.social http://birgitumaigba.com
Award-Winning Registered Nurse. Keynote Speaker. Nurse consultant. Educator. Everything Equity. Everything Coconut.
Bill Comeau 🇨🇦 @bill-comeau.bsky.social Canadian. Statistician. Math. Show me the evidence. I've been known to dwell on little things like pandemics, population health, preventable deaths, disinformation, authoritarians, kleptocracies, annexation, and protecting democracies. Also, Leafs & Jays.
Alan Drummond MD @dralandrummond.bsky.social Rural Canadian family/emergency physician. Advocate for an improved standard of emergency care for all Canadians. Sommelier (DipWSET). Father of triplets/ sadly a grieving parent.
Andrew Brown @browncbc.bsky.social Host of London Morning on CBC Radio. Runner-up, Best Feature Photo, 2009 Atlantic Community Newspaper Association Awards
Ed Tubb @edtubb.bsky.social Editor at the Toronto Star, with a focus on courts, justice and occasional greyhound content.
Journalism is a discipline of verification.
he/him | etubb at thestar dot ca
Chris DeGroot @chrisdegroot.ca Associate Prof, Mechanical Engineering. Wastewater and sustainable energy researcher. Cargo bike dad. Publications en français et en anglais. 🇨🇦
Marit Stiles @maritstilesndp.bsky.social Mom. Leader of the Official Opposition, Ontario NDP. Proud MPP for Davenport.
Mike Crawley - CBC News @cbcqueenspark.bsky.social Senior reporter @CBCNews covering Ontario politics on TV, radio & web. Dad, runner, XC skier, reader, cookie baker. #GoHabsGo Tips: DM or email mike.crawley@cbc.ca
Colin D'Mello Global News @colindmello.bsky.social Queen’s Park Bureau Chief, Global News
Host, Focus Ontario
President, Queen's Park Press Gallery
Colin.DMello@GlobalNews.ca
HousingNowTO @housingnowto.bsky.social Monitoring Progress & Activity on Twenty-One (21) sites 🏙️ proposed under the Mayor's #HousingNow plan for creating new Affordable-Rental units
#TOPoli #YIMBY
HousingNowTO.com
Canadian Doctors For Medicare @cdndrsformedicare.bsky.social An evidence-based, values-driven organization dedicated to strengthening & preserving Canada's publicly-funded health care system. Join today! https://www.canadiandoctorsformedicare.ca/cdm_health_summit_2025