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Osterholm Update

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

Episodes

Episode 178: Mixed Messages: Navigating the Unfolding Confusion

<p>In "Mixed Messages: Navigating the Unfolding Confusion" Dr. Osterholm and Chris Dall discuss the expected impact of recent cuts to USAID programs, the measles outbreak in Texas, and the latest respiratory virus trends. Dr. Osterholm answers an ID query on measles, mumps, and rubella vaccine boosters, and shares the latest "This Week in Public Health History" segment.</p> <p>Follow us on <a href="https://bsky.app/"><strong>Bluesky</strong></a>: Dr. Mic...

Mar 06, 2025

Episode 177: We Cannot Give Up or Give In

<p>In "We Cannot Give Up or Give In" Dr. Osterholm and Chris Dall discuss the confirmation of RFK Jr. as HHS Secretary, recent layoffs at the CDC and NIH, and a new vaccine policy being adopted in Louisiana. They also discuss seasonal and H5N1 influenza activity and a measles outbreak in Texas.</p> <p>Follow us on <a href="https://bsky.app/"><strong>Bluesky</strong></a>: Dr. Michael Osterholm (<a href="https://bsky.app/profile/mtosterholm.bsky.social"...

Feb 20, 2025

Episode 176: Responding to Shock, Awe, and Censorship

<p>In "Responding to Shock, Awe, and Censorship" Dr. Osterholm and Chris Dall provide updates on the latest news in the federal government and how it is impacting public health locally and globally. Dr. Osterholm also discusses the latest developments in H5N1 avian flu and answers an ID query about the tuberculosis outbreak in Kansas. </p> <p><a href="https://theunbiasedscipod.substack.com/p/anatomy-of-a-failure-why-this-latest">Anatomy of a Failure: Why This Lat...

Feb 06, 2025

Episode 175: Drinking From a Fire Hose: Are We Drowning?

<p>In "Drinking From a Fire Hose: Are We Drowning?" Dr. Osterholm and Chris Dall discuss recent actions taken by the Trump administration, most notably the decision to leave the World Health Organization. Dr. Osterholm also shares his thoughts on the developing H5N1 crisis and provides an update on respiratory virus transmission in the U.S. and around the world. </p> <p>Follow us on <a href="https://bsky.app/"><strong>Bluesky</strong></a>: Dr. M...

Jan 23, 2025

Episode 174: The H5N1 Pandemic Cliff: Are We at the Edge?

<p>In "The H5N1 Pandemic Cliff: Are We at the Edge?," Dr. Osterholm and Chris Dall discuss the ongoing challenge of H5N1 influenza, cover increasing trends in respiratory illness, and announce a new CIDRAP report on Chronic Wasting Disease. Dr. Osterholm also answers a listener question on H5N1 in wild birds and cats and provides a tribute to the late President Jimmy Carter. </p> <p><a href="https://www.cidrap.umn.edu/chronic-wasting-disease/cwd-spillover-report-202...

Jan 09, 2025

Episode 173: What Is Safe and Effective?

<p>In "What Is Safe and Effective?," Dr. Osterholm and Chris Dall cover the evolving situation with H5N1 influenza, discuss the mystery outbreak in the DRC, and review the latest trends in COVID-19, flu, and RSV. Dr. Osterholm also answers a listener question on the phrase "safe and effective" regarding vaccines. And finally, the annual reading of the Polar Express from Dr. Osterholm to his grandchildren.</p> <p><a href="https://ajph.aphapublications.org/doi/10.2105/AJPH.94....

Dec 19, 2024

Episode 172: A Tunnel of Uncertainty

<p>In "A Tunnel of Uncertainty," Dr. Osterholm and Chris Dall discuss several of Trump's recent HHS nominations, the latest respiratory virus data, and two recent studies on long COVID. Dr. Osterholm also provides an update on the unfolding H5N1 situation and shares another "This Week in Public Health History" segment. </p> <p><a href="https://www.journalofinfection.com/article/S0163-4453(24)00293-7/fulltext">The effect of pre-COVID and post-COVID vaccination on ...

Dec 05, 2024

Episode 171: Serious Challenges Ahead: RFK Jr and a New HHS

<p>In "Serious Challenges Ahead: RFK Jr and a New HHS," Dr. Osterholm and Chris Dall discuss the recent nomination of RFK Jr. as Secretary of Health and Human Services. They also discuss the latest COVID data, a global increase in measles cases, and a decline in STI incidence in the United States. </p> <p><a href="https://www.cidrap.umn.edu/antimicrobial-stewardship/superbugs-you">CIDRAP Superbugs & You Podcast</a></p> <p>Follow us on &l...

Nov 21, 2024

Episode 170: What Happens Now? Public Health in Uncertain Times

<p>In "What Now? Public Health in Uncertain TImes", Dr. Osterholm and Chris Dall revisit their discussion on the consequences of the US presidential election on public health. Dr. Osterholm also provides the latest update on COVID-19 and other respiratory virus trends, comments on H5N1 detection in pigs, and answers an ID query on pertussis.</p> <p><a href="https://www.cdc.gov/pertussis/vaccines/index.html">CDC Pertussis Vaccine Guidelines</a></p> <p>&lt...

Nov 14, 2024

Episode 169: The Most Important Episode I'll Ever Record

<p>In "The Most Important Episode I'll Ever Record," Dr. Osterholm and Chris Dall discuss the latest respiratory virus trends, two human cases of H5N1 in Missouri, and an E. coli outbreak linked to a fast food product. For the first time in his career, Dr. Osterholm also shares comments about the upcoming elections in the United States.</p> <p><a href="https://www.cidrap.umn.edu/newsletter">Sign up for CIDRAP's daily newsletter</a></p> <p><a href="htt...

Oct 31, 2024

Episode 168: Better Times

<p>In "Better Times," Dr. Osterholm and Chris Dall discuss the latest COVID, H5N1, and seasonal influenza data. Dr. Osterholm also answers an ID query on the ideal timing for COVID-19 booster doses and an ID query about Marburg virus transmission.</p> <p><a href="https://www.cidrap.umn.edu/covid-19/brain-imaging-reveals-changes-linked-long-covid">Brain imaging reveals changes linked to long COVID</a> (Stephanie Soucheray, <em>CIDRAP News</em>)</p> ...

Oct 17, 2024

Episode 167: A Coronavirus Dance

<p>In "A Coronavirus Dance," Dr. Osterholm and Chris Dall discuss the latest COVId trends, the upcoming winter respiratory virus season, and a UN meeting on antimicrobial resistance. Dr. Osterholm also provides an update on long COVID research and shares another "This Week in Public Health History" segment. </p> <p><a href="https://www.covidtests.gov/">COVIDTests.gov</a></p> <p><a href="https://www.cidrap.umn.edu/covid-19/covid-19-reinfection...

Oct 03, 2024

Episode 166: Infectious Diseases Roulette

<p>In this episode, Dr. Osterholm and Chris Dall cover the latest infectious disease news on topics including H5N1, mpox, measles, and polio. Dr. Osterholm also answers an ID query on updated COVID-19 vaccines and gives his thoughts on a controversial study on Paxlovid.</p> <p><a href="https://www.cidrap.umn.edu/covid-19/evidence-growing-covid-antivirals-cut-poor-outcomes-long-covid-experts-say">Evidence growing for COVID antivirals to cut poor outcomes, long COVID, exper...

Sep 19, 2024

Episode 165: Frustrating Times: H5N1, Mpox, & Vectorborne Disease

<p>In this episode, Dr. Osterholm and Chris Dall discuss H5N1 in cattle, mpox in the Democratic Republic of Congo, and the risk of different vectorborne diseases in the United States. Dr. Osterholm also discusses the newly available 2024-2025 COVID vaccines and shares the latest "This Week In Public Health History" segment. </p> <p><a href="https://www.foreignaffairs.com/united-states/world-not-ready-next-pandemic">The world is not ready for the next pandemic<...

Sep 05, 2024

Episode 164 Addendum: COVID Vaccine Update

<p>In this addendum to Episode 164, Dr. Osterholm and Chris Dall discuss the approval of the 2024-2025 mRNA COVID-19 vaccines. </p> <p><a href="https://www.cidrap.umn.edu/covid-19/fda-green-lights-seasons-updated-mrna-covid-vaccines">FDA green-lights season's updated mRNA COVID vaccines</a> (Mary Van Beusekom, CIDRAP News)</p> <p>Listen to <em>Episode 164: Only the Beginning</em> <a href="https://www.cidrap.umn.edu/covid-19/episod...

Aug 23, 2024

Episode 164: Only the Beginning

<p dir="ltr">In "Only the Beginning," Dr. Osterholm and Chris Dall discuss the mpox public health emergency and the latest COVID-19 and H5N1 trends. Dr. Osterholm also answers an ID Query on COVID-19 vaccine access and commemorates the legacy of Ryan White.</p> <p dir="ltr"><a href="https://www.cdc.gov/vaccines/covid-19/clinical-considerations/covid-19-vaccines-us.html">Use of COVID-19 Vaccines in the United States: Interim Clinical Considerations</a> (CDC)</p&gt...

Aug 22, 2024

Episode 163: COVID-19 & H5N1: What's Going On?

<p>In this episode, Dr. Osterholm and Chris Dall discuss the current COVID-19 and H5N1 trends, answer a COVID query about influenza vaccination, and share the latest news on a listeria outbreak linked to deli meat. </p> <p><a href="https://www.cidrap.umn.edu/newsletter">Sign up for CIDRAP's daily newsletter</a></p> <p><a href="https://www.cidrap.umn.edu/covid-19/osterholm-update-covid-19"><strong>MORE EPISODES</strong></a&gt...

Aug 08, 2024

Episode 162: Class is Not Dismissed

<p>In "Class is Not Dismissed," Dr. Osterholm and Chris Dall review the latest trends in COVID-19 and discuss new human cases of H5N1 influenza. Dr. Osterholm also answers an ID Query on Paxlovid eligibility and shares his perspective on timing the next dose of COVID-19 vaccine.</p> <p><a href="https://www.cidrap.umn.edu/covid-19/risk-long-covid-has-ebbed-during-pandemic-mostly-thanks-vaccines-new-data-reveal">Risk of long COVID has ebbed during pandemic, mostly thanks to...

Jul 25, 2024

Episode 161: What's Going On and Why Does it Matter?

<p>In "What's Going On and Why Does it Matter?," Dr. Osterholm and Chris Dall discuss the SARS-CoV-2 wastewater surveillance data, the H5N1 influenza outbreak in dairy cattle, and a CDC Health Alert on dengue virus. </p> <p><a href="https://emergency.cdc.gov/han/2024/han00511.asp">Increased Risk of Dengue Virus Infections in the United States</a> (Health Alert Network, <em>CDC</em>)</p> <p><a href="https://history.nih.gov/pages/vi...

Jul 11, 2024

Episode 160: The H5N1 Response

<p>In this episode, Dr. Osterholm and Chris Dall discuss the U.S. response to H5N1 cases in dairy cattle, the latest long COVID research, and a recent New York Times article on the origins of the COVID-19 pandemic.</p> <p><a href="https://nap.nationalacademies.org/catalog/27756/long-term-health-effects-of-covid-19-disability-and-function">Long-term health effects of COVID-19: disability and function following SARS-CoV-2 infection</a> (National Academies of Sciences,...

Jun 27, 2024

Episode 159: Uncharted Territory

<p>In "Uncharted Territory," Dr. Osterholm and Chris Dall cover the latest H5N1 news and updates to the COVID-19 vaccine formulation. Dr. Osterholm also discusses how this summer's weather may impact mosquito and tick populations, and answers an ID query on culling dairy cows. </p> <p><a href="https://www.cdc.gov/bird-flu/spotlights/ferret-study-results.html?CDC_AAref_Val=https://www.cdc.gov/flu/avianflu/spotlights/2023-2024/ferret-study-results.htm">CDC Reports ...

Jun 13, 2024

Episode 158: An Unfolding Saga

<p>In "An Unfolding Saga," Dr. Osterholm and Chris Dall discuss the latest H5N1, COVID-19, and measles news. Dr. Osterholm also answers an ID query on influenza and shares the latest "This Week in Public Health History" segment. </p> <p><a href="https://www.cidrap.umn.edu/avian-influenza-bird-flu/study-confirms-infection-mice-fed-h5n1-contaminated-raw-milk">Study confirms infection in mice fed H5N1-contaminated raw milk</a> (CIDRAP News)</p> <p>...

May 30, 2024

Episode 157: Lungs & Udders

<p>In "Lungs & Udders," Dr. Osterholm provides updates on H5N1 influenza, COVID-19, and mpox. He also shares his thoughts on a recent WHO report about airborne transmission and a study on the use of a diabetes drug to treat COVID-19.</p> <p><a href="https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(24)00244-7/fulltext">Airborne pathogens: controlling words won’t control transmission</a> (Greenhalgh et al., <em>The Lancet</em>)</p...

May 16, 2024

Episode 156: H5N1: An Impending Crisis?

<p>In "H5N1: An Impending Crisis," Dr. Osterholm and Chris Dall discuss the spread of H5N1 avian influenza in US<br>dairy cows, cover the latest COVID-19 trends, review two articles on long COVID, and answers a listener question about the safety of raw milk and other dairy products. Dr. Osterholm also shares a timely "This Week in Public Health History" segment and interviews the final two members of the podcast team.</p> <p> </p> <p><a href="https...

May 02, 2024

Episode 155: Brighter Days Ahead

<p>In "Brighter Days Ahead," Dr. Osterholm and Chris Dall discuss the latest national and international COVID trends, recent research on long COVID, and measles cases in the U.S. Dr. Osterholm also shares the latest "This Week in Public Health History" segment and interviews two members of the podcast team.</p> <p>Please fill out our <a href="https://redcap.ahc.umn.edu/redcap/surveys/?s=DKAXDYKTDXCN4HLT">Listener Feedback Survey</a>!</p> <p><a href="h...

Apr 18, 2024

Episode 154: H5N1 Uncertainty

<p>In "H5N1 Uncertainty," Dr. Osterholm and Chris Dall discuss the latest national COVID trends, a recent study on Paxlovid, and H5N1 avian flu virus infection in cattle. Dr. Osterholm also shares the latest "This Week in Public Health History" segment and interviews two members of the podcast team.</p> <p>Please fill out our <a href="https://redcap.ahc.umn.edu/redcap/surveys/?s=DKAXDYKTDXCN4HLT">Listener Feedback Survey</a>!</p> <p><a href="https://w...

Apr 04, 2024

Episode 153: Good News in a COVID-Indifferent World

<p>In "Good News in a COVID-Indifferent World," Dr. Osterholm and Chris Dall discuss the national and international COVID trends, the latest research on long COVID, and antibiotic-resistant <em>Shigella</em>. Dr. Osterholm also shares the latest "This Week in Public Health History" segment and interviews members of the podcast team. </p> <ul> <a href="https://doi.org/10.1038/s41590-024-01754-8">Iron dysregulation and inflammatory stress erythropoiesis...

Mar 21, 2024

Episode 152: A Tough Conversation

<p>In "A Tough Conversation," Dr. Osterholm and Chris Dall discuss the new CDC COVID isolation guidelines, a measles outbreak in Florida, and the latest news on avian influenza. Dr. Osterholm also provides an update on influenza and RSV cases in the U.S. and shares the latest "This Week in Public Health History" segment.</p> <p><a href="https://www.cdc.gov/respiratory-viruses/guidance/background.html?CDC_AAref_Val=https://www.cdc.gov/respiratory-viruses/background/i...

Mar 07, 2024

Episode 151: Harm Reduction

<p>In this episode, Dr. Osterholm and Chris Dall discuss COVID isolation guidelines, the BA.2.87.1 variant, and the importance of measles and other rare public health threats. </p>

Feb 22, 2024

Episode 150: A Family Discussion

<p>In "A Family Discussion," Dr. Osterholm and Chris Dall discuss the latest SARS-CoV-2 variant, consider the current and future challenges accessing Paxlovid, and explore new long COVID research. Dr. Osterholm also revisits last episode's discussion on changing public health guidelines and celebrates some canine heroes in the "This Week in Public Health History" segment. </p> <ul> <a href="https://www.pnas.org/doi/10.1073/pnas.2300644120">Viral afterlife: SARS-C...

Feb 08, 2024