Current Lecture

Thursday, October 29, 2026, 6:00pm

The Vaccine Trifecta: The Intersection of Science, Policy, and Politics

Our Speaker

Dr. Bruce Gellin is a distinguished internist, infectious disease specialist, and global health strategist who dedicates his career to translating scientific evidence into impactful public health policy and immunization programs. He serves as an Adjunct Professor of Medicine at Georgetown University School of Medicine, Senior Advisor to the Global Health Institute, and Chair of the Board of Advisors to the Center for Infectious Diseases Research and Policy’s (CIDRAP) Vaccine Integrity Project. Spanning key federal agencies—including the CDC, NIH, and HHS—the Sabin Vaccine Institute, and the Rockefeller Foundation, Dr. Gellin’s leadership has driven major domestic and international initiatives to expand vaccine access. A Weill-Cornell Medical College and Columbia Mailman School of Public Health graduate, he has authored extensive literature on public health policy and serves as a peer reviewer for over a dozen medical journals.

Lecture Synopsis

Vaccines are among modern science's greatest achievements, preventing millions of deaths globally. Investments in basic research have propelled new vaccine technologies that harness the immune system to prevent once-unavoidable diseases and complications. Historically, turning vaccines into effective programs transformed childhood: images of children paralyzed by polio or sustained by iron lungs receded into past history and museums. Before the 1960s, measles was an omnipresent childhood rite of passage, hospitalizing over 48,000 and killing 400 to 500 American children annually. By 2000, widespread immunization eliminated the fear of polio and declared measles eradicated in the United States. Today, however, safely preventable illnesses like measles and whooping cough are returning to communities nationwide as conflicting rhetoric from U.S. health officials and social media influencers confuses wary parents who simply want what is best for their children.

Vaccines sit at the crossroads of science and politics

Science delivers the empirical evidence required to build safe tools, while political forces shape how those breakthroughs are funded, distributed, and ultimately received by the public. This intersection was vividly illustrated by Operation Warp Speed, an all-hands-on-deck partnership between government, industry, and academia that yielded safe, effective COVID-19 vaccines in record time. Yet, the broader relationship between public health and politics remains highly polarized. For instance, a 2025 Pew Research Center survey found that while a 63% majority of Americans trust childhood vaccines to prevent serious illness, a sharp political divide exists, with Democrats and Democratic-leaners far more likely to express high confidence than Republicans and Republican-leaners (80% vs. 48%).

Public health crises inherently highlight this tension, as the urgent need for medical tools collides with deep debates over government policy, individual freedoms, and public trust. A changing media landscape, fragmented by social media and competing political ideologies, routinely distorts scientific findings. Because data alone cannot persuade a population, trust in government institutions, healthcare systems, and scientific organizations dictates how people react to mandates. Today, personal political identities frequently eclipse empirical data, leaving the traditional mantra of "follow the science" entangled in a web of alternative facts.

Ultimately, vaccines do not save lives—vaccination does. Global public health programs have successfully optimized the distribution, access, and physical availability of these medical achievements, but the last inch of the last mile relies entirely on public demand and acceptance. Pathogens remain completely oblivious to our political debates, media environments, or societal divides. They will continuously exploit our collective vulnerabilities until we make a unified, serious effort to reduce them.

Learning Objectives:

1)      Understand the scientific and social history of vaccine development and use

2)      Identify current trends in vaccine use in the US and globally

3)      Discuss the current state of US vaccine policy and implications for public health and science

Bruce Gellin, MD, MPH

Bruce Gellin, MD, MPH
Professor of Medicine (Adjunct) in the Division of Infectious Diseases at Georgetown University School of Medicine and a Senior Advisor to Georgetown University’s Global Health Institute