The Johns Hopkins Bloomberg School of Public Health

Public Health On Call

News EN ↓ 1170 episodes

Evidence and experts to help you understand today's public health news—and what it means for tomorrow.

Author

The Johns Hopkins Bloomberg School of Public Health

Category

News

Podcast website

publichealth.jhu.edu

Latest episode

Jul 9, 2026

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Episodes

950 - Michael Osterholm on Vaccine Policy in 2025 24.09.2025

About this episode: An overwhelming majority of Americans support vaccines, particularly routine childhood immunizations for preventable diseases like measles, mumps, and rubella. But misinformation is obscuring the scientific evidence on vaccine safety and efficacy. In this episode: Michael Osterholm, one of the founding members of the Vaccine Integrity Project, talks about his work to uplift sci...

949 - A Roadmap for Helping Adolescents Thrive 22.09.2025

About this episode: Teenagers get a bad rap. They're seen as defiant and disrespectful, when, in reality, they're navigating a critical development period that teaches them how to regulate emotions, take responsibility, and build relationships. In this episode: Lisa Lawson debunks common misconceptions about adolescence and offers her recommendations for creating conditions that allow young people...

948 - Recent "Expert Panels" Could Undermine the FDA's Credibility 17.09.2025

About this episode: The FDA has long convened scientifically rigorous advisory committees to review data and offer recommendations for regulating a range of food and drug products. However, it has recently pulled back and leaned heavily into ad-hoc "expert panels" that are not held to the same standards. In this episode: Caleb Alexander, an epidemiologist and drug safety expert who has served on o...

947 - "Taxpayer Money Went to Buy Food to Feed People… Now It's Being Burned" 16.09.2025

About this episode: Over the past few months, USAID has been dismantled, forcing the abandonment of aid projects and flushing away millions of dollars worth of food and medicine. In this episode: Journalist Hana Kiros talks about her reporting on the thousands of USAID-funded projects that have been terminated, the potential PR nightmare for the U.S., and what is happening to lifesaving supplies....

946 - Baltimore's Back-to-Back Mass Overdoses 15.09.2025

About this episode: This July, a dangerous influx of opioids triggered two mass overdose events in the Penn North neighborhood of Baltimore. A swift and nimble response from the city and community stakeholders resulted in zero fatalities. In this episode: Dr. Letitia Dzirasa and Sara Whaley from the City of Baltimore explain what happened, detail the multipronged emergency response, and share how...

945 - Keeping Cool in One of America's Hottest Cities 11.09.2025

About this episode: Through the summer, the city of Phoenix consistently hits temperatures upwards of 110 degrees, creating dire conditions for vulnerable populations like outdoor workers and those with substance use disorders. In this episode: Phoenix Mayor Kate Gallego and City Councilwoman Kesha Hodge Washington detail the city's extreme heat challenges, how other communities can deal with risi...

944 - How Credit Scores Impact Your Health 10.09.2025

About this episode: Credit scores are more than just a number—they can determine your ability to access critical financial assets like loans, leases, and jobs that, in turn, have a huge impact on your health. In this episode: Professor Catherine Ettman shares new research that explores the relationship between low credit scores and mental health, and discusses a recent ruling reinstating medical d...

943 - Who Can Get a COVID Vaccine This Fall? 08.09.2025

About this episode: The FDA and CDC are tightening eligibility requirements for COVID-19 vaccines this year, pushing effective treatments out of reach for millions of Americans including young children. In this episode: Dr. Fiona Havers, formerly a senior adviser on vaccine policy at the CDC, draws on recent hospitalization rates to identify who is most at risk for severe COVID-19 infection and in...

942 - Could One Health Prevent the Next Pandemic? 04.09.2025

About this episode: Animal-to-human transmission of bacteria and viruses have triggered outbreaks of diseases like avian influenza, COVID-19, and Ebola. A public health approach called One Health can help us to better understand these cases—and possibly help prevent future pandemics. In this episode: Professors Emily Gurley and Raina Plowright explain how One Health investigations work, why they'r...

941 - Back to School: How Vermont is Addressing Chronic Absence 03.09.2025

About this episode: Post-pandemic rates of absenteeism continue to climb across the country as many students navigate concerns that include anxiety and food insecurity. One state is fostering new partnerships and using a public health approach to directly address hurdles to school attendance. In this episode: Pediatricians Deanna Haag and Heidi Schumacher detail their work alongside educators, pol...

940 - A Brief Update: CDC in Crisis 02.09.2025

About this episode: Last week the CDC was rocked by the abrupt removal of director Susan Monarez and the resignation of four other senior officials, following months of budget and personnel cuts. In this episode: a quick update from former CDC Director Tom Frieden about these concerning developments, how they might impact vaccine access this fall, and what they mean for public health writ large. G...

939 - Unfiltered Conversations to Restore Trust in Public Health 28.08.2025

About this episode: Back-to-back crises of the opioid epidemic and COVID-19 have pummeled American communities, eroding trust in public health. But what if restoring that trust could start with a simple conversation? In this episode: Maggie Bartlett shares how she's using her platform as co-host of the podcast, "Why Should I Trust You?", to forge human connections with those who feel left out of p...

938 - Book Club—There Is No Place for Us: Working and Homeless in America 27.08.2025

About this episode: Official measures of homeless Americans omit the millions of individuals and families that make up the "working homeless"—a segment of the population that, despite working full time, cannot secure stable housing. In this episode: Journalist Brian Goldstone pulls back the curtain on America's worsening homelessness crisis and interrogates the fractured relationship between emplo...

937 - Meet the Future of Public Health 25.08.2025

About this episode: Since the fifth grade, high schooler Nayesha Diwan has been fascinated by the world of public health. Throughout her childhood and teenage years, she has immersed herself in research and advocacy, delivering speeches at her state's capitol and interning at an elite neurophysiology lab. In this episode: Nayesha explains how her mother's cancer diagnosis drew her to public health...

936 - The New Reality Facing Medicare, Medicaid, and the ACA 21.08.2025

About this episode: The reconciliation bill passed by Congress in July is set to unravel key aspects of the Affordable Care Act that have expanded health coverage to millions of Americans. In this episode: One of the architects of the ACA, Liz Fowler, outlines how work requirements, truncated enrollment periods, and higher premiums will change health care for Americans on Medicaid and Medicare and...

935 - World Mosquito Day: Harnessing New Tools to Jumpstart the Fight Against Malaria 20.08.2025

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....

934 - Sickle Cell Disease: Genetic Therapies and Treatment Hurdles 18.08.2025

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...

933 - Fall Vaccine Confusion with Your Local Epidemiologist 15.08.2025

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 Im...

932 - Cuts to mRNA Vaccine Development 13.08.2025

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 secur...

931 - A Big Setback for Nutrition Education 13.08.2025

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...

930 - Peace Building in a Polarized Public Health Landscape 11.08.2025

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 strategie...

929 - How To Spot Unregulated Pharmacies and Falsified Medications 06.08.2025

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...

928 - When Pharmacists Prescribe Medication for Abortion 04.08.2025

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 a...

927 - World Breastfeeding Week: Creating Sustainable Support Systems 01.08.2025

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 b...

926 - A Disability Advocate Speaks Out on Medicaid Cuts 31.07.2025

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...

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