Physician: Personal Choice on Vaccines Ends Where Community Risk Begins

Dr. Marc Siegel, a professor of medicine at NYU Langone and a Fox News senior medical analyst, wrote in an opinion column that while vaccination can be a matter of personal choice, that choice “ends where community risk begins.” He argued that public institutions such as schools have the right to exclude unvaccinated children to maintain a safe environment for students who cannot be vaccinated because of medical conditions.

Siegel framed the issue around highly effective vaccines that prevent transmission, citing the measles, mumps and rubella (MMR) vaccine as a clear example. He noted that the MMR vaccine typically creates a strong barrier to spread after two doses, while the live, attenuated vaccine itself cannot be given to some immunocompromised children because their weakened immune systems could be unable to control even the attenuated virus.

In the column, Siegel warned that measles is highly contagious and that nearly every unvaccinated child exposed to it is likely to become ill, with about one in seven requiring hospitalization. He contrasted that clarity with vaccines that primarily reduce disease severity rather than transmission, such as some seasonal influenza and COVID-19 vaccines, but said even those vaccines contribute to community protection by lowering hospitalization rates.

Siegel defended vaccine mandates for certain settings, including health care facilities, saying that hospitals have an obligation to avoid transmitting influenza from patient to patient and that flu vaccination reduces urgent care visits, hospitalizations and deaths. He wrote that many medical centers were ‘‘justified in imposing flu vaccine mandates among health care workers.’’

At the same time, Siegel criticized what he described as overly broad COVID-19 vaccine mandates imposed ‘‘for far too long, for too many groups.’’ He called for scrutiny, transparency and debate over which vaccines should be mandated and for how long, saying a physician’s risk–benefit analysis and conversations about patients’ concerns are essential to vaccine decisions.

Siegel also praised Operation Warp Speed, the U.S. public–private initiative that accelerated initial COVID-19 vaccine development, saying the program provided crucial protection to vulnerable populations and saved lives worldwide in the early months of the pandemic. He added that although SARS-CoV-2 has continued to mutate and some vaccines became less effective at preventing transmission over time, they nevertheless remained effective at reducing severity and hospitalizations, particularly soon after vaccination and for people with preexisting conditions.

The column specifically referenced recent moves by Florida health officials to end vaccine mandates. Florida Surgeon General Dr. Joseph Ladapo has publicly opposed certain vaccine mandates, saying vaccination should be a matter of personal choice. Siegel countered that schools must be able to ensure safety for students who cannot be vaccinated and asked how officials would respond if a measles outbreak occurred after mandates were removed.

Siegel urged that politics should not shape vaccination policy and called for continued study and full transparency. He said he supports keeping vaccines widely available and used, even as he advocates for debate over mandates and limits on when government should impose them.

The column reiterated that vaccination serves two purposes: protecting the individual and protecting the community. Siegel said protecting those who cannot be vaccinated — including immunocompromised children and other medically vulnerable people — is a key rationale for public-health measures that restrict individual choice when necessary to reduce community risk.

Public-health officials and policymakers continue to weigh those competing considerations as they evaluate vaccine requirements in schools, health-care settings and other institutions. The debate draws on evidence about vaccine effectiveness against transmission and severity, the vulnerability of specific populations, and legal and ethical questions about individual liberty and collective safety.