Vaccine Hesitancy and Measles Outbreaks: Analysis of Sarah Dzubay’s Article on Herd Immunity

Introduction

In an era of scientific advances and clinical breakthroughs, one would expect illnesses such as measles to be left behind. However, the revival of such illnesses disproves this expectation. Published in 2019 in the Notre Dame Journal of Science, Sarah Dzubay’s article “An Outbreak of the Irrational” discusses the alarming trend of indecisiveness about vaccination among advantaged groups.

Dzubay is a member of the Class of 2019 at Notre Dame, majoring in biological sciences and psychology, and critically engages with the debate over vaccine hesitancy (Dzubay 8). The article explores the psyche of the anti-vaccination resistance movement and its public health ramifications. The article examines the resurgence of vaccine-preventable diseases, including measles, in advanced countries due to declining vaccination coverage.

Dzubay uses rhetorical appeals to logos and ethos to underscore the value of vaccination in public health. She argues that vaccine hesitancy compromises herd immunity, allowing for the re-emergence of otherwise preventable diseases, such as measles. While admitting legitimate safety concerns about the vaccine, Dzubay asserts that the advantages of vaccination appear to outweigh the risks.

Nevertheless, she acknowledges the problem’s sophistication, admitting that vaccine ambivalence stems from a confluence of factors, including disinformation and a lack of trust in the medical profession. Ultimately, Dzubay asserts that while the anti-vaccination drive is part of the public health conversation, its focus on flawed research and refusal to listen to scientific evidence undercuts its credibility, thereby endangering overall societal wellbeing.

Article Key Points

Dzubay begins his essay by illustrating the re-emergence of preventable diseases, such as measles, in developed countries due to declining vaccination rates. She cites cases such as the 2015 measles epidemic associated with Disneyland. She stresses the historical significance of vaccinations in eradicating fatal illnesses and highlights the construct of collective immunity as crucial to protecting vulnerable people. Dr. Dzubay then dives into the reasons for vaccine hesitancy, stating that it often stems from unreasonable fears and misinformation (Dzubay 4).

Furthermore, Dzubay emphasizes high-level socioeconomic issues, stating that vaccine refusal is usually more widespread among communities that are advantaged, question medical guidelines, and place reliance on inaccurate sources within their communities. Throughout the essay, Dzubay draws on logic and her background as a pediatric public health physician to champion a collegial response that prioritizes public safety over personal beliefs. She concludes by emphasizing the importance of informed decision-making and collaboration to ensure that vaccine programs successfully promote the well-being of the population.

Logos and Ethos

Dr. Dzubay establishes her credibility through ethos, reinforcing her argument on the significance of vaccination to national health. As a certified pediatrician with a strong track record of advocating for public health, Dr. Dzubay’s experience gives credence to her argument. By posing as a well-informed and credible source, she engenders strong trust in the reader. According to Dr. Dzubay, “vaccinations have helped us to overcome diseases that haunted civilizations since the dawn of humanity” (Dzubay 2). This declaration highlights the historical influence of vaccinations in eliminating deadly diseases and highlights Dr. Dzubay’s background in the field.

Dr. Dzubay’s statement aligns with the ethos, as she draws on her professional experience to convey the importance of vaccination. Her pediatrician status enhances the credibility of her claims, thus making her statements more compelling to the audience. Moving to the next proof, it is apparent that Dr. Dzubay further employs logical reasoning to support her position on vaccination. In addition, Dr. Dzubay asserts: “without vaccinations, our globe would be ravaged with disease, and we would not be able to be as productive and successful as we are today” (Dzubay 2). This coherent statement underscores the clinical benefits of vaccination, including preventing the spread of contagious illness and promoting community well-being.

In discussing the logos, Dr. Dzubay provides a rational account grounded in data and reasoning. She stresses the impact of vaccination on tangible reductions in disease burden and increased productivity, calling on the reader’s reasoning and pragmatism. Dr. Dzubay uses a blend of ethos and symbols to underscore the critical importance of immunization in protecting public health. By using both ethos and logos, Dr. Dzubay emphasizes the urgency of vaccination for protecting public welfare.

Author’s Statement

Dr. Dzubay’s key claim that vaccine indecision undermines collective resistance and promotes the re-emergence of preventable illnesses is backed by research evidence that emphasizes the effects of declining immunization rates. Vaccine hesitancy refers to the refusal or rejection of vaccination despite vaccine availability, often due to concerns about safety or efficacy. Dr. Dzubay’s rationale revolves around the idea that such indecision can compromise collective resistance, leaving societies vulnerable to illness outbreaks. According to Dr. Dzubay, “families choosing to opt out of the MMR and other vaccines are a threat to the protection that we have built against disease as a national and international community” (Dzubay 3). This declaration underscores the damaging effects of immunization hesitancy on collective immunity and its implications for broader public health.

Dr. Dzubay’s statement aligns with the basic premise that vaccine reluctance endangers herd immunity, leading to the re-emergence of otherwise manageable diseases such as measles. By opting not to get immunized, people not only endanger themselves but also endanger the health and safety of the wider community. Moving on to the next piece of the argument, it is evident that Dr. Dzubay provides additional reasons to illustrate the impact of vaccine hesitancy. In addition, Dr. Dzubay notes: “When vaccination rates fall below the threshold of immunity, diseases can re-emerge, as evidenced by recent measles outbreaks” (Dzubay 4). This evidence underscores the link between declining immunization rates and the re-emergence of preventable illnesses, underscoring the urgency of addressing the vaccination issue.

Dr. Johnson’s case is further strengthened by empirical data showing the impact of vaccine hesitancy on the spread of illness. By presenting specific cases of measles vaccination outbreaks linked to declining vaccination rates, she underscores the real-world public health implications of vaccine hesitancy. This evidence strengthens her main argument that indecision about vaccination erodes collective resistance, ultimately endangering the public’s well-being (Dzubay 4). Consequently, it emphasizes the crucial need to address vaccine indecision to safeguard public health. Dr. Johnson’s point underscores the need for preventive interventions to counter disinformation and facilitate vaccination uptake.

Effective and Ineffective Aspects

Vaccine hesitancy, as Dzubay discusses, spans a continuum of perceptions from cautious pessimism to outright rejection of vaccines. She admits there are legitimate safety and efficacy concerns, but argues that the vaccine benefits far outweigh the risks. Dzubay also acknowledges the multiple facets of vaccine hesitancy, attributing them to factors such as confusion and mistrust of the medical community. In Dzubay’s terms, “the benefits of vaccination are enormous, preventing millions of deaths worldwide each year from preventable diseases” (Dzubay 4). This declaration highlights the substantial impact of immunization on global public health, underscoring its role in averting widespread illness and morbidity.

Dzubay’s statement aligns with the basic assertion that vaccination benefits outweigh the risks posed by vaccine hesitancy. This prepares the stage for a nuanced conversation about the contributing factors to hesitancy about vaccination and the public health implications. Additionally, Dzubay argues: “It is time for the anti-vaccination movement to open their minds and not only discuss their fears about vaccination with the medical community” (Dzubay 7). This statement emphasizes the internal tensions within the anti-vaccination drive, which ostensibly champions public health while rejecting established research findings.

The argument is further bolstered by evidence showing the harmful impact of the anti-vaccination community on public health. By emphasizing reliance on false evidence and rejection of scientific uncertainty, she underscores the potential implications of vaccine ambivalence for community welfare. This argument strengthens her main claim that hesitation to immunize constitutes a threat to public health. Consequently, Dzubay’s argument underscores the importance of complex strategies to combat misinformation and encourage vaccination.

Conclusion

As a result, Sarah Dzubay’s discussion of vaccine hesitancy underscores the dangerous implications of undermining collective resistance through lower vaccination rates. By digging deeper into the drivers of vaccine hesitancy and its public health consequences, Dzubay highlights the imperative to combat vaccine misinformation and facilitate evidence-based decision-making about vaccination. Her insights highlight the detrimental effects of vaccine hesitancy on group immunity, underscoring the need for group action to uphold public health care standards. Dzubay’s work underscores the vital role of immunization in disease prevention, prompting society to address doubts about vaccination and ensure high vaccination rates. As the stories of families coming back from Disneyland only to be confronted with a resurgence of measles are pondered, one is reminded of the significant consequences of hesitation on the part of the vaccine.

Work Cited

Dzubay, Sarah. “An Outbreak of the Irrational.” University of Notre Dame.

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NursingBird. (2026, July 6). Vaccine Hesitancy and Measles Outbreaks: Analysis of Sarah Dzubay’s Article on Herd Immunity. https://nursingbird.com/vaccine-hesitancy-and-measles-outbreaks-analysis-of-sarah-dzubays-article-on-herd-immunity/

Work Cited

"Vaccine Hesitancy and Measles Outbreaks: Analysis of Sarah Dzubay’s Article on Herd Immunity." NursingBird, 6 July 2026, nursingbird.com/vaccine-hesitancy-and-measles-outbreaks-analysis-of-sarah-dzubays-article-on-herd-immunity/.

References

NursingBird. (2026) 'Vaccine Hesitancy and Measles Outbreaks: Analysis of Sarah Dzubay’s Article on Herd Immunity'. 6 July.

References

NursingBird. 2026. "Vaccine Hesitancy and Measles Outbreaks: Analysis of Sarah Dzubay’s Article on Herd Immunity." July 6, 2026. https://nursingbird.com/vaccine-hesitancy-and-measles-outbreaks-analysis-of-sarah-dzubays-article-on-herd-immunity/.

1. NursingBird. "Vaccine Hesitancy and Measles Outbreaks: Analysis of Sarah Dzubay’s Article on Herd Immunity." July 6, 2026. https://nursingbird.com/vaccine-hesitancy-and-measles-outbreaks-analysis-of-sarah-dzubays-article-on-herd-immunity/.


Bibliography


NursingBird. "Vaccine Hesitancy and Measles Outbreaks: Analysis of Sarah Dzubay’s Article on Herd Immunity." July 6, 2026. https://nursingbird.com/vaccine-hesitancy-and-measles-outbreaks-analysis-of-sarah-dzubays-article-on-herd-immunity/.