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Osterholm Update

Science Podcasts

A weekly report on the COVID-19 pandemic from infectious disease expert Michael Osterholm, PhD, MPH. Dr. Osterholm is the director of the Center for Infectious Disease Research and Policy (CIDRAP) at the University of Minnesota and has spent a career investigating outbreaks. Since 2005, he has emphasized supply chain and other vulnerabilities and a critical need for pandemic preparedness. In this podcast, Dr. Osterholm dissects the latest COVID-19 news, data, and guidance. CIDRAP’s Chris Dall, MA, is the cohost of the Osterholm Update and a reporter for CIDRAP News. http://www.cidrap.umn.edu

Location:

United States

Description:

A weekly report on the COVID-19 pandemic from infectious disease expert Michael Osterholm, PhD, MPH. Dr. Osterholm is the director of the Center for Infectious Disease Research and Policy (CIDRAP) at the University of Minnesota and has spent a career investigating outbreaks. Since 2005, he has emphasized supply chain and other vulnerabilities and a critical need for pandemic preparedness. In this podcast, Dr. Osterholm dissects the latest COVID-19 news, data, and guidance. CIDRAP’s Chris Dall, MA, is the cohost of the Osterholm Update and a reporter for CIDRAP News. http://www.cidrap.umn.edu

Language:

English


Episodes
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Episode 202: The Bells Still Ring

2/12/2026
In "The Bells Still Ring," Dr. Osterholm and Chris Dall discuss a recent poll on Americans’ trust in vaccine information from the CDC, the measles outbreaks in immigration detention centers, and explain the controversy over a US-funded hepatitis B vaccine trial in Africa. Dr. Osterholm will also bring you some good news on US funding for global health and answer an ID Query about Nipah virus. Interactive vaccine map for US schools (Washington Post)   Large share of older US adults haven’t had a recent flu or COVID vaccine, poll finds (CIDRAP News) Two cases of tuberculosis detected at El Paso ICE facility (The Texas Tribune)   Detained Immigrants Detail Physical Abuse and Inhumane Conditions at Largest Immigration Detention Center in the U.S. (ACLU)   ‘No Humanity’: Detainees describe conditions inside Whipple Federal Building (The Star Tribune)     Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST   Music: "Beauty Flow" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License

Duration:01:00:30

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Episode 201: The Twilight Zone of Immunization

1/29/2026
In "The Twilight Zone of Immunization," Dr. Osterholm and Chris Dall discuss recent comments from CDC officials about measles, the US withdrawal from the WHO, and the latest mpox news. Dr. Osterholm also shares an update on this winter respiratory virus season and discusses the challenges that families are facing in accessing healthcare amid immigration enforcement surges in Minnesota. Minnesota residents delay medical care for fear of encountering ICE (CIDRAP) Press Release: CIDRAP launches new partnerships to support independent, evidence-based vaccine information (CIDRAP)   Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:45:19

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Episode 200: A Moment Among Moments

1/15/2026
In the 200th episode of the Osterholm Update, Dr. Osterholm and Chris Dall discuss recent changes to the childhood immunization schedule, the latest data on this year's influenza season, and an update on CIDRAP's Vaccine Integrity Project. Osterholm Update producers Dr. Sydney Redepenning and Elise Holmes also join to discuss this milestone episode and reflect on how the podcast has evolved over the years.  CMS to stop requiring states to report childhood vaccination levels (Liz Szabo, CIDRAP News) U.S. vaccination rates are plunging. Look up where your school stands (Weber et al., The Washington Post) Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:01:14:27

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Episode 199: Flu Takes Charge

1/2/2026
In "Flu Takes Charge" Dr. Osterholm and Chris Dall give us an update on the emerging flu season, Dr. Osterholm covers a new poll that shows fewer Americans are willing to recommend the MMR vaccine, and we'll hear about the Vaccine Integrity Project's latest video. Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:38:49

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Episode 198: Gaps in the Safety Net

12/18/2025
In "Gaps in the Safety Net" Dr. Osterholm and Chris Dall discuss why we shouldn’t compare other countries’ vaccine schedules to the US schedule. Dr. Osterholm continues to cover the recent infant botulism outbreak, and he answers an ID Query about New World Screwworm. Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:01:01:58

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Special Episode: ACIP's Hepatitis B Vaccine Decisions

12/8/2025
In this special episode of the podcast, Dr. Osterholm and Chris Dall discuss the ACIP's recent decision to end universal hepatitis B birth dose recommendations and the impact it will have on public health. Noted articles: …And What Have We Done? This Is What It Looks Like When RFK Jr. Wins Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:15:33

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Episode 197: Fork in the Road

12/4/2025
In "Fork in the Road" Dr. Osterholm and Chris Dall discuss the changes to the CDC's vaccines and autism page and this week's meeting of the CDC's Advisory Committee on Immunization Practices. Dr. Osterholm also covers the recent infant botulism outbreak and Chris answers an ID Query about possible C. difficile vaccines. After unprecedented autism-vaccine messaging change, scientists, advocates say CDC no longer trustworthy New review finds no evidence to support delaying universal hepatitis B birth-dose vaccination Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:01:04:55

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Episode 196: Flu Shifts: Why Vaccines Still Matter

11/20/2025
In "Flu Shifts: Why Vaccines Still Matter," Dr. Osterholm and Chris Dall review the latest trends and flu and how this year's vaccine compares to the circulating strains. Dr. Osterholm also discusses H5N1 impact on mammals in Antarctica and answers an ID Query about infant botulism.   Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:45:53

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Episode 195: We Can Make a Difference

10/30/2025
In "We Can Make a Difference," Dr. Osterholm and Chris Dall discuss the recent publication from CIDRAP's Vaccine Integrity Project, an upcoming collaboration between CIDRAP and NEJM Evidence, and the latest measles and respiratory virus data. Dr. Osterholm also answers an ID Query about how the government shutdown is impacting public health surveillance and shares another "This Week in Public Health History" segment. Updated Evidence for Covid-19, RSV, and Influenza Vaccines for 2025–2026 (Scott et al., New England Journal of Medicine) Vaccine Integrity Project - Response to HHS claims about vaccines (Oct 2025) Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:47:49

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Episode 194: Bending Not Breaking

10/16/2025
In "Bending Not Breaking," Dr. Osterholm and Chris Dall discuss recent layoffs and layoff reversals at the CDC, comments from the administration on the MMR vaccine, and the latest respiratory virus data. Dr. Osterholm also shares an update on pertussis cases and answers an ID Query about herd immunity. Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:57:54

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Episode 193: Fevers, Furloughs, and Falsehoods

10/2/2025
In "Fevers, Furloughs, and Falsehoods," Dr. Osterholm and Chris Dall break down the CDC’s recent ACIP meeting and the ongoing uncertainty around updated vaccine recommendations. Dr. Osterhom discusses state-level differences in vaccine access, possible changes to the National Vaccine Injury Compensation Program, and reviews the latest data on COVID-19, Ebola, and STIs. Dr. Osterholm also answers an ID Query on the studies associating acetaminophen (e.g., Tylenol) use during pregnancy and autism, and share the latest installment of This Week in Public Health History on the 2001 anthrax attacks. Tracking State Actions on Vaccine Policy and Access (KFF) Vaccine Integrity Project Viewpoint: Four tips for understanding this week’s ACIP meeting Vaccine Integrity Project - Fall Immunization Information   Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:57:21

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Special Update: Dysfunction at ACIP

9/22/2025
In this special update, Dr. Osterholm and Chris Dall recap the events of last week's ACIP meeting and what it means for COVID, MMRV, and hepatitis B vaccine availability. Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:16:27

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Episode 191: 'The Big One' with Mark Olshaker, Ann Hennigan Grace, & Dr. Sydney Redepenning

9/3/2025
In this week's special episode, Chris Dall interviews Dr. Osterholm and his coauthor Mark Olshaker on their new book The Big One: How We Must Prepare for Future Deadly Pandemics. They are also joined by Ann Hennigan Grace and CIDRAP's Dr. Sydney Redepenning who both conducted research and fact-checking for the book. The Big One is available for purchase online and at your local bookseller! MORE EPISODES       SUPPORT THIS PODCAST

Duration:01:10:38

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Episode 192: Ice Cream and Shark Attacks

8/21/2025
In "Ice Cream and Shark Attacks," Dr. Osterholm and Chris Dall discuss the FDA’s recent decision to authorize updated COVID-19 vaccines for limited groups, the confusion around access for those under 65, and the uncertain outcomes of this week’s ACIP meeting. They also cover ongoing upheaval at the CDC, provide updates on COVID-19 and measles, answer an ID Query on Chagas disease, and share the latest installment of This Week in Public Health History. Vaccine Integrity Project Viewpoint: Four tips for understanding this week’s ACIP meeting Vaccine Integrity Project - Fall Immunization Information   Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:56:32

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Episode 190: Courage Over Fear

8/21/2025
In "Courage Over Fear," Dr. Osterholm and Chris Dall discuss the critical Vaccine Integrity Project respiratory virus immunization meeting, recent federal actions to sow disinformation on vaccines, and encourage public servants, including those at CDC, who are facing fear amidst violence. Dr. Osterholm also covers the latest COVID data and reviews a new pre-print study on H5N1 avian influenza transmission.  CIDRAP Vaccine Integrity Project Respiratory Virus Vaccine Meeting Statement: CIDRAP stands behind public health officials after attack on CDC (CIDRAP)   Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:58:56

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Episode 189: Are We at Risk of Losing Our Vaccines?

8/7/2025
In "Are We At Risk of Losing Our Vaccines?", Dr. Osterholm and Chris Dall discuss declining childhood vaccination rates, a statement from the American Academy of Pediatrics on non-medical exemptions for mandated vaccines, and the recent termination of $500 million in mRNA vaccine research contracts. Dr. Osterholm also covers the latest COVID data and shares another "This Week in Public Health History" segment.  Medical vs nonmedical immunization exemptions for child care and school attendance: policy statement (Hackell et al., Pediatrics) Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:59:32

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Episode 188: Finding the Light

7/24/2025
In "Finding the Light," Dr. Osterholm and Chris Dall discuss a recent study on aluminum in childhood vaccines, the latest COVID variant data, and the recent approval of the Moderna COVID vaccine for children at risk of severe disease. Dr. Osterholm also provides an update on CIDRAP's Vaccine Integrity Project and shares the latest "This Week in Public History" segment. Report: No link between aluminum-adjuvanted childhood vaccines, conditions such as autism (Van Beusekom, CIDRAP News) State, local public health officials grapple with fallout from funding, job cuts (Dall, CIDRAP News) Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:46:39

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Episode 187: Stay the Course

7/11/2025
In "Stay the Course," Dr. Osterholm and Chris Dall review the outcomes of the June ACIP meeting and shares updates on the Vaccine Integrity Project. Dr. Osterholm also covers the latest trends in COVID-19, H5N1, and measles, and answers an ID query about RSV vaccines. US measles cases top 1,200 as UK loses 'measles free' status (CIDRAP News) The U.S. government is failing on vaccine policy. The Vaccine Integrity Project is here to help (STAT, paywall) ‘Too many, too soon’? Debunking a common fear about kids’ vaccines (STAT, paywall)   Resources for vaccine and public health advocacy: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:41:19

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Episode 186: Chaos Reigns

6/26/2025
In "Chaos Reigns," Dr. Osterholm and Chris Dall discuss this week's ACIP meeting, the latest COVID variant data, and the current measles trends in the United States and Canada. Dr. Osterholm covers some good news about federal health agencies and answers an ID query about autism. Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:01:04:47

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Episode 185: Our Light, Our Fight

6/12/2025
In "Our Light, Our Fight," Dr. Osterholm and Chris Dall discuss the remaking of the CDC's vaccine advisory group, ACIP, provide a updates on measles, H5N1, COVID-19, and mpox. Dr. Osterholm also shares a list of resources on how to get involved and "organize" around vaccine policy. Viewpoint: RFK's reckless firing of CDC vaccine advisors not supported by evidence (Vaccine Integrity Project Staff and Advisers) CIDRAP mpox news updates (CIDRAP)   Resources to take action: Voices for Vaccines Families Fighting Flu Vaccinate Your Family Shot@Life Medical Reserve Corps   Learn more about the Vaccine Integrity Project MORE EPISODES       SUPPORT THIS PODCAST

Duration:00:59:47