Tim Callaghan
@thcallaghan.bsky.social
Associate Professor of Health Policy @Boston University SPH, Studies Health Policy Attitudes, Health Politics, and Rural Health, UConn Alum, Minnesota PhD, Hartford Whalers Forever!
Reposted by Tim Callaghan
@thcallaghan.bsky.social & @mattmotta.bsky.social evaluate the challenge that polarization poses for our health and importantly, they propose a three-pronged path for better understanding and overcoming polarization in health and medicine. read.dukeupress.edu/jhppl/articl...
Runaway Polarization Is Making Us Sick; Social Science Could Offer an Antidote | Journal of Health Politics, Policy and Law | Duke University Press
read.dukeupress.edu
October 23, 2025 at 3:31 PM
@thcallaghan.bsky.social & @mattmotta.bsky.social evaluate the challenge that polarization poses for our health and importantly, they propose a three-pronged path for better understanding and overcoming polarization in health and medicine. read.dukeupress.edu/jhppl/articl...
Reposted by Tim Callaghan
I know I speak for both @thcallaghan.bsky.social and I when I say we're so excited to collaborate with this amazing team!
💉 New Maxwell study explores how state vaccination policies shape COVID-19 vaccine hesitancy. It’s led by Brittany Kmush and @sgadarian.bsky.social, and supported by David Kelso ’68.
Political Science, Public Health Faculty Partner on Vaccine Study
Political Science, Public Health Faculty Partner on Vaccine Study
www.maxwell.syr.edu
October 16, 2025 at 3:21 PM
I know I speak for both @thcallaghan.bsky.social and I when I say we're so excited to collaborate with this amazing team!
I'm excited to say that The Politics and Health Lab @busph.bsky.social which I co-direct with @mattmotta.bsky.social, will be hosing a Public Health Conversation this Fall about vaccine hesitancy!
You can register to attend the zoom webinar below!
publichealthconversation.org/conversation...
You can register to attend the zoom webinar below!
publichealthconversation.org/conversation...
Vaccine Hesitancy: Past, Present, and Future. - Public Health Conversations
publichealthconversation.org
August 22, 2025 at 2:13 PM
I'm excited to say that The Politics and Health Lab @busph.bsky.social which I co-direct with @mattmotta.bsky.social, will be hosing a Public Health Conversation this Fall about vaccine hesitancy!
You can register to attend the zoom webinar below!
publichealthconversation.org/conversation...
You can register to attend the zoom webinar below!
publichealthconversation.org/conversation...
Reposted by Tim Callaghan
Happy 60th birthday to Medicare and Medicaid! Hang in there, I hear 60 is the new 40
July 30, 2025 at 1:48 PM
Happy 60th birthday to Medicare and Medicaid! Hang in there, I hear 60 is the new 40
I'm excited to say that my latest paper - focused on immunization to prevent infant RSV - has been published! You can access the paper at the link below and learn more about it in this thread!
journals.lww.com/pidj/fulltex...
journals.lww.com/pidj/fulltex...
Intention to Use RSVpreF Vaccine or Nirsevimab to Prevent... : The Pediatric Infectious Disease Journal
b (a monoclonal antibody for infants)—intended uptake of these products is unclear. Our objective was to evaluate intended uptake of each product and their correlates among pregnant individuals.
Meth...
journals.lww.com
June 6, 2025 at 1:45 PM
I'm excited to say that my latest paper - focused on immunization to prevent infant RSV - has been published! You can access the paper at the link below and learn more about it in this thread!
journals.lww.com/pidj/fulltex...
journals.lww.com/pidj/fulltex...
Reposted by Tim Callaghan
Great upcoming (and all too timely, given current events) panel on Medicaid with authors from @jhppl.bsky.social special issue
#Medicaid covers about one in five people nationwide. Join @RWJF and @JHPPL on June 12 @ 3 p.m. ET as we discuss the program’s legacy and future. Speakers include @povertyscholar.bsky.social Andrea Campbell, David Adler and me. Register: bit.ly/4dsIsXR
Welcome! You are invited to join a webinar: Medicaid at 60: Examining the Program's Past, Present, and Future. After registering, you will receive a confirmation email about joining the webinar.
President Lyndon B. Johnson signed Medicaid into law on July 30, 1965. Sixty years later, the program covers about one in five people in the United States. Medicaid’s 60th anniversary is an opportunit...
bit.ly
June 3, 2025 at 2:05 PM
Great upcoming (and all too timely, given current events) panel on Medicaid with authors from @jhppl.bsky.social special issue
Reposted by Tim Callaghan
New SVPP data shows that anti-vaccine policymaking spiked following COVID-19, primarily due to the actions of GOP lawmakers.
New state vaccine policy data (available for download!) & press release from @thcallaghan.bsky.social and I.
medium.com/@mmotta_8662...
New state vaccine policy data (available for download!) & press release from @thcallaghan.bsky.social and I.
medium.com/@mmotta_8662...
New SVPP Data & Preprint: Anti-Vaccine Legislating Spiked Following the COVID-19 Pandemic
Big news from our team here at the State Vaccine Policy Project.
medium.com
April 28, 2025 at 2:11 PM
New SVPP data shows that anti-vaccine policymaking spiked following COVID-19, primarily due to the actions of GOP lawmakers.
New state vaccine policy data (available for download!) & press release from @thcallaghan.bsky.social and I.
medium.com/@mmotta_8662...
New state vaccine policy data (available for download!) & press release from @thcallaghan.bsky.social and I.
medium.com/@mmotta_8662...
Reposted by Tim Callaghan
Big news from SVPP at @busph.bsky.social !
Our new working paper (w/public data!) shows that anti-vaccine state policymaking nearly doubled following COVID-19. Republican state lawmakers are overwhelmingly responsible for this trend.
With: @thcallaghan.bsky.social
osf.io/preprints/so...
Our new working paper (w/public data!) shows that anti-vaccine state policymaking nearly doubled following COVID-19. Republican state lawmakers are overwhelmingly responsible for this trend.
With: @thcallaghan.bsky.social
osf.io/preprints/so...
April 26, 2025 at 1:13 PM
Big news from SVPP at @busph.bsky.social !
Our new working paper (w/public data!) shows that anti-vaccine state policymaking nearly doubled following COVID-19. Republican state lawmakers are overwhelmingly responsible for this trend.
With: @thcallaghan.bsky.social
osf.io/preprints/so...
Our new working paper (w/public data!) shows that anti-vaccine state policymaking nearly doubled following COVID-19. Republican state lawmakers are overwhelmingly responsible for this trend.
With: @thcallaghan.bsky.social
osf.io/preprints/so...
Reposted by Tim Callaghan
It’s BU Giving Day - join me in supporting the Politics and Health Lab at @busph.bsky.social!
@thcallaghan.bsky.social and @mattmotta.bsky.social are using cutting edge social sciences to monitor and counter the growing politicization of health & medicine. More info: sites.bu.edu/healthpoliti...
@thcallaghan.bsky.social and @mattmotta.bsky.social are using cutting edge social sciences to monitor and counter the growing politicization of health & medicine. More info: sites.bu.edu/healthpoliti...
give.bu.edu
April 9, 2025 at 10:51 PM
It’s BU Giving Day - join me in supporting the Politics and Health Lab at @busph.bsky.social!
@thcallaghan.bsky.social and @mattmotta.bsky.social are using cutting edge social sciences to monitor and counter the growing politicization of health & medicine. More info: sites.bu.edu/healthpoliti...
@thcallaghan.bsky.social and @mattmotta.bsky.social are using cutting edge social sciences to monitor and counter the growing politicization of health & medicine. More info: sites.bu.edu/healthpoliti...
Reposted by Tim Callaghan
Medicaid at 60 special issue from JHPPL is out, ungated. All-star lineup includes: @povertyscholar.bsky.social @pamherd.bsky.social @laurawherryr.bsky.social @joefigs.bsky.social @charleywillison.bsky.social @ericpatashnik.bsky.social & more
read.dukeupress.edu/jhppl/issue/...
read.dukeupress.edu/jhppl/issue/...
Volume 50 Issue 2 | Journal of Health Politics, Policy and Law | Duke University Press
read.dukeupress.edu
February 26, 2025 at 6:58 PM
Medicaid at 60 special issue from JHPPL is out, ungated. All-star lineup includes: @povertyscholar.bsky.social @pamherd.bsky.social @laurawherryr.bsky.social @joefigs.bsky.social @charleywillison.bsky.social @ericpatashnik.bsky.social & more
read.dukeupress.edu/jhppl/issue/...
read.dukeupress.edu/jhppl/issue/...
Reposted by Tim Callaghan
New at Public Health:
1 in 5 people *think* they're well-informed about Long COVID, but struggle to answer basic qs about it. "Meta-ignorance" in turn motivates vax. hesitancy.
w/ @thcallaghan.bsky.social @jencornacc.bsky.social & RIDOH + Policy Lab team!
www.sciencedirect.com/science/arti...
1 in 5 people *think* they're well-informed about Long COVID, but struggle to answer basic qs about it. "Meta-ignorance" in turn motivates vax. hesitancy.
w/ @thcallaghan.bsky.social @jencornacc.bsky.social & RIDOH + Policy Lab team!
www.sciencedirect.com/science/arti...
Identifying and mitigating the public health consequences of meta-ignorance about "Long COVID" risks
While past work studies public concern about "Long COVID," fewer have asked what the public knows and/or purports to know about Long COVID. This is an…
www.sciencedirect.com
February 11, 2025 at 4:51 PM
New at Public Health:
1 in 5 people *think* they're well-informed about Long COVID, but struggle to answer basic qs about it. "Meta-ignorance" in turn motivates vax. hesitancy.
w/ @thcallaghan.bsky.social @jencornacc.bsky.social & RIDOH + Policy Lab team!
www.sciencedirect.com/science/arti...
1 in 5 people *think* they're well-informed about Long COVID, but struggle to answer basic qs about it. "Meta-ignorance" in turn motivates vax. hesitancy.
w/ @thcallaghan.bsky.social @jencornacc.bsky.social & RIDOH + Policy Lab team!
www.sciencedirect.com/science/arti...
Check out this wonderful story from @busph.bsky.social about the new Politics and Health Lab that I'm launching with @mattmotta.bsky.social!!!
www.bu.edu/sph/news/art...
www.bu.edu/sph/news/art...
New Politics and Health Lab Aims to Depolarize Public Health
Led by Matt Motta and Tim Callaghan, the lab aims to thwart the rapidly increasing politicization of public health by developing evidence-based data and tailored communication strategies to bolster su...
www.bu.edu
February 10, 2025 at 8:25 PM
Check out this wonderful story from @busph.bsky.social about the new Politics and Health Lab that I'm launching with @mattmotta.bsky.social!!!
www.bu.edu/sph/news/art...
www.bu.edu/sph/news/art...
Reposted by Tim Callaghan
Just posted my evaluation of what happened in the 2024 election, based on CHIP50 data. The TLDR is that the 2020 to 2024 shift was mostly a backlash of younger individuals against what had been a pretty lousy 4 years for them.
www.chip50.org/blog/the-gen...
@hongqu.bsky.social
www.chip50.org/blog/the-gen...
@hongqu.bsky.social
The generational politics of the 2020s: Young voters rule
www.chip50.org
February 5, 2025 at 2:31 PM
Just posted my evaluation of what happened in the 2024 election, based on CHIP50 data. The TLDR is that the 2020 to 2024 shift was mostly a backlash of younger individuals against what had been a pretty lousy 4 years for them.
www.chip50.org/blog/the-gen...
@hongqu.bsky.social
www.chip50.org/blog/the-gen...
@hongqu.bsky.social
Reposted by Tim Callaghan
New study with @wrigleyfield.bsky.social & colleagues finds that excess deaths among young U.S. adults have surged since 2011, accelerating during the pandemic and remaining high in 2023. Our research shows that this crisis extends far beyond drug overdoses. 🧵 (1/6)
jamanetwork.com/journals/jam...
jamanetwork.com/journals/jam...
Mortality Trends Among Early Adults in the United States, 1999-2023
This cross-sectional study examines trends in mortality rates among adults aged 25 to 44 years across the pre–COVID-19 pandemic, pandemic, and postpandemic periods.
jamanetwork.com
February 3, 2025 at 6:05 PM
New study with @wrigleyfield.bsky.social & colleagues finds that excess deaths among young U.S. adults have surged since 2011, accelerating during the pandemic and remaining high in 2023. Our research shows that this crisis extends far beyond drug overdoses. 🧵 (1/6)
jamanetwork.com/journals/jam...
jamanetwork.com/journals/jam...
💉Sharing our new paper in the Journal of Adolescent Health, led by Brianna Agnew and Annette Regan presenting a systematic scoping review of adolescent COVID-19 vaccine hesitancy! We show the need for more research that includes adolescents own perspectives. 💉
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Global Systematic Scoping Review of Adolescent Factors Associated With COVID-19 Vaccine Hesitancy
Although COVID-19 vaccination is recommended for adolescents aged 12–17 years, they remain one of the least commonly vaccinated age groups. Therefore,…
www.sciencedirect.com
January 30, 2025 at 3:30 PM
💉Sharing our new paper in the Journal of Adolescent Health, led by Brianna Agnew and Annette Regan presenting a systematic scoping review of adolescent COVID-19 vaccine hesitancy! We show the need for more research that includes adolescents own perspectives. 💉
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
I'm excited to announce the launch of The Politics and Health Lab at Boston University, co-directed by @mattmotta.bsky.social and myself!
Our lab will highlight research on the growing politicization of health and strategies to overcome it
@busph.bsky.social
sites.bu.edu/healthpoliti...
Our lab will highlight research on the growing politicization of health and strategies to overcome it
@busph.bsky.social
sites.bu.edu/healthpoliti...
The Politics & Health Lab
sites.bu.edu
January 27, 2025 at 8:35 PM
I'm excited to announce the launch of The Politics and Health Lab at Boston University, co-directed by @mattmotta.bsky.social and myself!
Our lab will highlight research on the growing politicization of health and strategies to overcome it
@busph.bsky.social
sites.bu.edu/healthpoliti...
Our lab will highlight research on the growing politicization of health and strategies to overcome it
@busph.bsky.social
sites.bu.edu/healthpoliti...
Reposted by Tim Callaghan
Biden's claim that he would've won in Nov. isn't backed up by most polling data.
It also ignores the tremendous impact Harris' campaign had on fundraising for Dems down-ballot, which we document in a naturally-occurring experiment conducted before/after Biden dropped out.
osf.io/preprints/so...
It also ignores the tremendous impact Harris' campaign had on fundraising for Dems down-ballot, which we document in a naturally-occurring experiment conducted before/after Biden dropped out.
osf.io/preprints/so...
January 18, 2025 at 8:10 PM
Biden's claim that he would've won in Nov. isn't backed up by most polling data.
It also ignores the tremendous impact Harris' campaign had on fundraising for Dems down-ballot, which we document in a naturally-occurring experiment conducted before/after Biden dropped out.
osf.io/preprints/so...
It also ignores the tremendous impact Harris' campaign had on fundraising for Dems down-ballot, which we document in a naturally-occurring experiment conducted before/after Biden dropped out.
osf.io/preprints/so...
It’s been so much fun to join some of @busph.bsky.social’s best students for the Massachusetts Health Policy Forum!
Students have gotten to learn from the state’s most important health policy officials and visit some of the key centers of health policy making for the state. What a wonderful event!
Students have gotten to learn from the state’s most important health policy officials and visit some of the key centers of health policy making for the state. What a wonderful event!
January 9, 2025 at 6:40 PM
It’s been so much fun to join some of @busph.bsky.social’s best students for the Massachusetts Health Policy Forum!
Students have gotten to learn from the state’s most important health policy officials and visit some of the key centers of health policy making for the state. What a wonderful event!
Students have gotten to learn from the state’s most important health policy officials and visit some of the key centers of health policy making for the state. What a wonderful event!
Reposted by Tim Callaghan
NEW from @thcallaghan.bsky.social, K. Goidel, M. Stein, and I at HEPL.
Concerns about supply shortages have no influence on public support for physicians' ability to prescribe ozempic off-label. But, concerns about potential health risks do.
More here! 👇
www.cambridge.org/core/journal...
Concerns about supply shortages have no influence on public support for physicians' ability to prescribe ozempic off-label. But, concerns about potential health risks do.
More here! 👇
www.cambridge.org/core/journal...
The prevalence and consequences of support for off-label Ozempic prescriptions | Health Economics, Policy and Law | Cambridge Core
The prevalence and consequences of support for off-label Ozempic prescriptions
www.cambridge.org
January 7, 2025 at 6:33 PM
NEW from @thcallaghan.bsky.social, K. Goidel, M. Stein, and I at HEPL.
Concerns about supply shortages have no influence on public support for physicians' ability to prescribe ozempic off-label. But, concerns about potential health risks do.
More here! 👇
www.cambridge.org/core/journal...
Concerns about supply shortages have no influence on public support for physicians' ability to prescribe ozempic off-label. But, concerns about potential health risks do.
More here! 👇
www.cambridge.org/core/journal...
Have you ever wondered what the public thinks about weight loss medications like Ozempic?
I'm excited to say that my new paper with @mattmotta.bsky.social and colleagues tackles this question, examining public concerns about safety and supply shortages. Check it out here 👇!
doi.org/10.1017/S174...
I'm excited to say that my new paper with @mattmotta.bsky.social and colleagues tackles this question, examining public concerns about safety and supply shortages. Check it out here 👇!
doi.org/10.1017/S174...
The prevalence and consequences of support for off-label Ozempic prescriptions | Health Economics, Policy and Law | Cambridge Core
The prevalence and consequences of support for off-label Ozempic prescriptions
doi.org
January 7, 2025 at 5:14 PM
Have you ever wondered what the public thinks about weight loss medications like Ozempic?
I'm excited to say that my new paper with @mattmotta.bsky.social and colleagues tackles this question, examining public concerns about safety and supply shortages. Check it out here 👇!
doi.org/10.1017/S174...
I'm excited to say that my new paper with @mattmotta.bsky.social and colleagues tackles this question, examining public concerns about safety and supply shortages. Check it out here 👇!
doi.org/10.1017/S174...
Reposted by Tim Callaghan
New AVMA guidance highlights the dangers of feeding cats raw food. Unfortunately, we find that public H5N1 concern is low, which may impede our public health response.
@stecula.bsky.social @thcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social @drorwalter.bsky.social
@stecula.bsky.social @thcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social @drorwalter.bsky.social
NEW (Pre-Reg!) WP. Few Americans are concerned about H5N1, or recognize dangers of raw milk (43%!), which in turn motivates opp. to policies to mitigate avian flu.
@stecula.bsky.social @timcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social
osf.io/p7yzf
osf.io/preprints/so...
@stecula.bsky.social @timcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social
osf.io/p7yzf
osf.io/preprints/so...
December 26, 2024 at 2:36 PM
New AVMA guidance highlights the dangers of feeding cats raw food. Unfortunately, we find that public H5N1 concern is low, which may impede our public health response.
@stecula.bsky.social @thcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social @drorwalter.bsky.social
@stecula.bsky.social @thcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social @drorwalter.bsky.social
Reposted by Tim Callaghan
New at Vaccine from our team (led by Ali Moghtaderi).
Declining school vax rates; especially in states that allow for non-med exemptions. States that *removed* exemptions experienced an increase.
With: @thcallaghan.bsky.social @aportnoy.bsky.social
www.sciencedirect.com/science/arti...
Declining school vax rates; especially in states that allow for non-med exemptions. States that *removed* exemptions experienced an increase.
With: @thcallaghan.bsky.social @aportnoy.bsky.social
www.sciencedirect.com/science/arti...
Evidence on trends in uptake of childhood vaccines and association with COVID-19 vaccination rates
Childhood vaccination rates have declined in recent years; there is also concern that resistance to COVID-19 vaccines could spill over to childhood va…
www.sciencedirect.com
December 18, 2024 at 8:53 PM
New at Vaccine from our team (led by Ali Moghtaderi).
Declining school vax rates; especially in states that allow for non-med exemptions. States that *removed* exemptions experienced an increase.
With: @thcallaghan.bsky.social @aportnoy.bsky.social
www.sciencedirect.com/science/arti...
Declining school vax rates; especially in states that allow for non-med exemptions. States that *removed* exemptions experienced an increase.
With: @thcallaghan.bsky.social @aportnoy.bsky.social
www.sciencedirect.com/science/arti...
Reposted by Tim Callaghan
In Covid’s wake, CDC proposed reforms that aim to enhance its performance during the next pandemic. But would they work? Check out Ann Keller’s new ungated JHPPL article #healthpolicy #publichealth:
read.dukeupress.edu/jhppl/articl...
read.dukeupress.edu/jhppl/articl...
Embracing Controversy: A Second Look at CDC Reform Efforts in the Wake of COVID-19 | Journal of Health Politics, Policy and Law | Duke University Press
read.dukeupress.edu
December 5, 2024 at 4:44 PM
In Covid’s wake, CDC proposed reforms that aim to enhance its performance during the next pandemic. But would they work? Check out Ann Keller’s new ungated JHPPL article #healthpolicy #publichealth:
read.dukeupress.edu/jhppl/articl...
read.dukeupress.edu/jhppl/articl...
Reposted by Tim Callaghan
New SVPP Report from @thcallaghan.bsky.social and I.
Even with RFK Jr. at the helm of DHHS, most vaccine policymaking will fall to the states.
Unfortunately, many are taking aim at vaccine access. We detail a few concerning bills from the prev. leg. cycle ('23).
medium.com/@mmotta_8662...
Even with RFK Jr. at the helm of DHHS, most vaccine policymaking will fall to the states.
Unfortunately, many are taking aim at vaccine access. We detail a few concerning bills from the prev. leg. cycle ('23).
medium.com/@mmotta_8662...
“Anti-Vax Watch:” Tracking Anti-Vaccine Bills in State Houses Across the US
Welcome to the first post in the State Vaccine Policy Project (SVPP)’s new series, “Anti-Vax Watch.” In this series, we will profile bills…
medium.com
November 25, 2024 at 5:13 PM
New SVPP Report from @thcallaghan.bsky.social and I.
Even with RFK Jr. at the helm of DHHS, most vaccine policymaking will fall to the states.
Unfortunately, many are taking aim at vaccine access. We detail a few concerning bills from the prev. leg. cycle ('23).
medium.com/@mmotta_8662...
Even with RFK Jr. at the helm of DHHS, most vaccine policymaking will fall to the states.
Unfortunately, many are taking aim at vaccine access. We detail a few concerning bills from the prev. leg. cycle ('23).
medium.com/@mmotta_8662...
Reposted by Tim Callaghan
Re-upping this working paper, in light of news that bird flu has been detected in raw milk in CA.
Lack of concern about the dangers of raw milk could undermine our policy response to bird flu's increasing public health risks.
Lack of concern about the dangers of raw milk could undermine our policy response to bird flu's increasing public health risks.
NEW (Pre-Reg!) WP. Few Americans are concerned about H5N1, or recognize dangers of raw milk (43%!), which in turn motivates opp. to policies to mitigate avian flu.
@stecula.bsky.social @timcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social
osf.io/p7yzf
osf.io/preprints/so...
@stecula.bsky.social @timcallaghan.bsky.social @klunztrujillo.bsky.social @ophiryotam.bsky.social
osf.io/p7yzf
osf.io/preprints/so...
November 26, 2024 at 12:28 AM
Re-upping this working paper, in light of news that bird flu has been detected in raw milk in CA.
Lack of concern about the dangers of raw milk could undermine our policy response to bird flu's increasing public health risks.
Lack of concern about the dangers of raw milk could undermine our policy response to bird flu's increasing public health risks.