

Public Health On Call
The Johns Hopkins Bloomberg School of Public Health
Evidence and experts to help you understand today’s public health news—and what it means for tomorrow.
Episodes
Mentioned books

Aug 20, 2025 • 15min
935 - World Mosquito Day: Harnessing New Tools to Jumpstart the Fight Against Malaria
About this episode: Progress in the global mission to eradicate malaria has stalled due to mosquito evolution, drug resistance, and underfunding. In this episode: Dr. Michael Adekunle Charles discusses what it will take to get this mission back on track, promising new tools recommended by WHO, and why a multisector approach to defeating malaria is crucial for achieving healthy outcomes. Guest: Dr. Michael Adekunle Charles, MPH, is the Chief Executive Officer of the RBM Partnership to End Malaria which brings together over 500 international partners dedicated to eliminating the disease. Host: Stephanie Desmon, MA, is a former journalist, author, and the director of public relations and communications for the Johns Hopkins Center for Communication Programs. Show links and related content: CCP Plays Role in WHO Recommendation of Spatial Repellents for Malaria Control—Johns Hopkins Center for Communication Programs Anti-malarial drug resistance is making malaria normal again—African Arguments Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 18, 2025 • 25min
934 - Sickle Cell Disease: Genetic Therapies and Treatment Hurdles
About this episode: Sickle cell disease affects an estimated 100,000 people in the United States. Recent advancements in gene therapies and medicines like hydroxyurea are diminishing extreme pain, reducing strokes, and extending survival times for those afflicted by the disease. In this episode: leading sickle cell disease expert Dr. Mark Gladwin explains how revolutionary new treatments work and discusses the challenges to accessing life-saving care. Guest: Dr. Mark Gladwin is a physician-scientist and the Dean of the University of Maryland School of Medicine and Vice President for Medical Affairs at the University of Maryland, Baltimore. His research focuses include sickle cell disease and hypertension. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement at the Johns Hopkins Bloomberg School of Public Health, a faculty member in health policy, a pediatrician, and former secretary of Maryland’s Health Department. Show links and related content: New sickle cell gene therapies are a breakthrough, but solving how to pay their high prices is a struggle—CNBC Gene Therapy: What You Need to Know—Sickle Cell Disease Association of American No More Pain: Breakthrough Sickle Cell Treatment from Johns Hopkins Offers Curative Potential—Johns Hopkins School of Medicine Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 15, 2025 • 14min
933 - Fall Vaccine Confusion with Your Local Epidemiologist
About this episode: Fall vaccines for flu, RSV, and—more recently—COVID have long followed a uniform rollout schedule allowing clinics and pharmacies ample time to order and administer shots. But that process looks different this year, raising concerns about access. In this episode: Katelyn Jetelina, publisher of Your Local Epidemiologist, explains how changes to the CDC’s Advisory Committee on Immunization Practices (ACIP) and the FDA are pushing back the timeline and changing recommendations for routine vaccinations. Guest: Katelyn Jetelina, PhD, MPH, is an epidemiologist and scientific communicator. She is the co-founder of Health Trust Initiative, an adjunct professor at Yale School of Public Health, and a Senior Scientific Advisor to several government and non-profit agencies, including the CDC. In addition, Jetelina is the publisher of Your Local Epidemiologist. Host: Lindsay Smith Rogers, MA, is the producer of the Public Health On Call podcast, an editor for Expert Insights, and the director of content strategy for the Johns Hopkins Bloomberg School of Public Health. Show links and related content: What’s the plan for fall vaccines? If you're confused, you're not alone—Your Local Epidemiologist Covid cases rising in US as officials plan to restrict booster vaccines—The Guardian Will New Vaccine Recommendations Affect Your Fall Flu Shot?—AARP Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 13, 2025 • 16min
932 - Cuts to mRNA Vaccine Development
About this episode: The Department of Health and Human Services has cancelled nearly $500 million in funding for the development of mRNA vaccines, including for vaccines against potential new pandemic threats. In this episode: Professor Bill Moss delves into the misinformation surrounding mRNA vaccines, explains their potential to treat diseases like cancer and HIV, and warns of the national security threats posed by cuts to development. Guest: Dr. Bill Moss, MPH, is an infectious disease specialist and the executive director of the International Vaccine Access Center at the Johns Hopkins Bloomberg School of Public Health. Host: Stephanie Desmon, MA, is a former journalist, author, and the director of public relations and communications for the Johns Hopkins Center for Communication Programs. Show links and related content: Johns Hopkins expert speaks on ripple effect of federal cuts to mRNA vaccine contracts—WBAL-TV 11 How Cuts to mRNA Vaccine Development Will Set the U.S. Back—Johns Hopkins Bloomberg School of Public Health What to know about mRNA vaccines as Trump admin pulls funding—Axios For mRNA Vaccines, COVID-19 Is Just the Beginning—Johns Hopkins Bloomberg School of Public Health Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 13, 2025 • 15min
931 - A Big Setback for Nutrition Education
About this episode: Since 2010, the nonprofit ChopChop Family has published magazines, cookbooks, and other tools to help pediatricians and nutrition educators inform families about the positive health outcomes of cooking nutritious foods. But deep cuts to SNAP-Ed, the federally-funded nutrition education program, are placing programs like ChopChop Family in limbo. In this episode: ChopChop Family founder and president Sally Sampson explains how the rapid rollback of SNAP-Ed is crippling nutrition education. Guest: Sally Sampson is a cookbook author and the founder and president of ChopChop Family, a nonprofit publisher of cooking magazines, cookbooks, digital content, cooking curricula, and learning decks for children and families. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement at the Johns Hopkins Bloomberg School of Public Health, a faculty member in health policy, a pediatrician, and former secretary of Maryland’s Health Department. Show links and related content: Budget cuts knock down a ‘pillar of public health,’ ending nutrition education—STAT ChopChop Podcast—Apple Podcasts ChopChop Family Newsletter—Substack Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 11, 2025 • 22min
930 - Peace Building in a Polarized Public Health Landscape
About this episode: As the United States grows more polarized along regional, political, and ideological lines, it is critical to resolve conflict civilly—particularly when it comes to pressing public health concerns that implicate all of us. In this episode: Peace building experts David Addiss and John Paul Lederach draw on their careers in conflict resolution and public health to share strategies for building relationships, restoring trustworthiness, and fostering solutions-oriented conversations to bridge ideological gaps. Guest: Dr. David Addiss, MPH, is a public health doctor whose career has involved migrant health, mountain medicine, neglected tropical diseases, research, philanthropy, and global health. He is the Director of the Focus Area for Compassion and Ethics at the Task Force for Global Health. John Paul Lederach, PhD, is Professor Emeritus at the University of Notre Dame and a Senior Fellow with Humanity United. He is widely known for the development of culturally-based approaches to conflict transformation and the design and implementation of integrative and strategic approaches to peace building. Host: Lindsay Smith Rogers, MA, is the producer of the Public Health On Call podcast, an editor for Expert Insights, and the director of content strategy for the Johns Hopkins Bloomberg School of Public Health. Show links and related content: A Recipe for Cooling Down American Politics—Washington Post Facing Down a Civil War—www.johnpaullederach.com Here To Understand: How Braver Angels Is Orchestrating Tough Public Health Conversations—Public Health On Call (June 2025) Peacebuilding to Help Mend A Broken World—Public Health On Call (December 2023) Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 6, 2025 • 17min
929 - How To Spot Unregulated Pharmacies and Falsified Medications
About this episode: Trying to save money on antibiotics, GLP-1 antagonists, or other medications using online pharmacies can pose serious health risks. These sites are flush with substandard and falsified drugs, which can cause adverse side effects, leave serious conditions untreated, and, in some instances, lead to death. In this episode: Dr. Henry Michtalik shares how providers and patients can spot unregulated suppliers and report counterfeit drugs. Guest: Dr. Henry Michtalik, MHS, MPH, is a hospitalist at the Johns Hopkins University School of Medicine and an assistant professor at both the School of Medicine and the Bloomberg School of Public Health. He is a co-principal investigator with the School of Public Health’s BESAFE initiative. Host: Lindsay Smith Rogers, MA, is the producer of the Public Health On Call podcast, an editor for Expert Insights, and the director of content strategy for the Johns Hopkins Bloomberg School of Public Health. Show links and related content: Fake medication is a problem across the world—DW Fake Drugs, Real Danger—Hopkins Bloomberg Public Health Magazine Verify Before You Buy—National Association of Boards of Pharmacy Report a Counterfeit Drug—U.S. Food and Drug Administration Transcript Information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 4, 2025 • 17min
928 - When Pharmacists Prescribe Medication for Abortion
About this episode: Following the rise of restrictive abortion laws around the country, a pilot program in Washington state is training pharmacists to screen for and prescribe medication abortion. In this episode: Dr. Beth Rivin talks about the Pharmacist Abortion Access Project and how it’s creating more options for safe, convenient, and effective care for women—especially those living in rural and low-income communities. Guest: Dr. Beth Rivin, MPH, is the President and CEO of Uplift International, an organization focused on improving health and human rights with a particular emphasis on family planning and reproductive rights. Host: Stephanie Desmon, MA, is a former journalist, author, and the director of public relations and communications for the Johns Hopkins Center for Communication Programs. Show links and related content: Abortion Pills Prescribed by Pharmacists Are Newest Effort in Abortion Fight—New York Times In Washington state, pharmacists are prescribing abortion drugs—NPR Mifepristone and EMTALA SCOTUS Rulings: A Holding Pattern—Public Health On Call (July 2024) Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Aug 1, 2025 • 19min
927 - World Breastfeeding Week: Creating Sustainable Support Systems
About this episode: Breastfeeding plays a crucial role in babies’ development and new research is even suggesting that breast milk can provide benefits to the microbiomes and immune systems of adults. In this episode: Meghan Azad, a breastfeeding researcher from the University of Manitoba, explains the chemical compounds that make human breast milk unique from other mammals, the opportunities to build more community support for breastfeeding, and the benefits of lactation for mothers. Guest: Meghan Azad, PhD, is a professor of pediatrics and child health at the University of Manitoba, where she leads a lab studying breastfeeding and breast milk. Host: Lindsay Smith Rogers, MA, is the producer of the Public Health On Call podcast, an editor for Expert Insights, and the director of content strategy for the Johns Hopkins Bloomberg School of Public Health. Show links and related content: World Breastfeeding Week—World Health Organization New study reveals breastfeeding duration influences infant microbiome and respiratory development—UM Today Breast milk’s benefits are not limited to babies—The Economist Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Jul 31, 2025 • 14min
926 - A Disability Advocate Speaks Out on Medicaid Cuts
About this episode: Medicaid cuts from the recent budget reconciliation law are raising fears of cutbacks among Americans with disabilities who rely on the program for services that allow them to live independently. In this episode: Demi Eckhoff, who has a rare form of muscular dystrophy, and who relies on Medicaid in North Carolina, explains the uncertainty and what people with disabilities are doing to advocate for themselves. Guest: Demi Eckhoff, MPH, is a disability advocate, a registered dietitian, and an incoming doctoral student at the Johns Hopkins Bloomberg School of Public Health. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement at the Johns Hopkins Bloomberg School of Public Health, a faculty member in health policy, a pediatrician, and former secretary of Maryland’s Health Department. Show links and related content: Disabled Americans Fear What Medicaid Cuts Could Do to Them—New York Times Five Ways the ‘One Big Beautiful Bill’ Could Make It More Difficult to Get Health Insurance in N.C.—The Assembly America’s Caregiver Crisis—Public Health On Call (July 2025) The Potential Impacts of Cuts To Medicaid—Public Health On Call (March 2025) Transcript information: Click here for a transcript of this episode. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @PublicHealthPod on Bluesky @JohnsHopkinsSPH on Instagram @JohnsHopkinsSPH on Facebook @PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.