On Immunity
An Inoculation
Book Edition Details
Summary
Fear is a persistent shadow that follows every new parent, and for Eula Biss, it was no different. In "On Immunity," Biss embarks on a thought-provoking exploration of the anxieties that grip us in a world where threats seem to lurk in every vaccine, every breath, every bite. Through an intricate tapestry of historical myths and cultural narratives, she confronts the pervasive fear that vaccinations may do more harm than good. Her journey unfolds as a dialogue, weaving in voices from Voltaire to Susan Sontag, unraveling how our personal and collective bodies are inseparably linked. With a blend of lyrical prose and sharp insight, Biss dismantles the myths surrounding immunity, offering a profound meditation on trust, community, and the invisible threads that bind us all.
Introduction
Vaccination represents one of modern medicine's most profound interventions, yet it remains deeply contested territory where science meets society, individual autonomy confronts collective responsibility, and ancient fears collide with contemporary anxieties. The needle that pierces skin carries more than weakened viruses or bacterial fragments—it bears the weight of trust, the burden of uncertainty, and the promise of protection that extends far beyond any single body. The discourse surrounding immunization reveals fundamental tensions about how we understand risk, authority, and interdependence in an era marked by both unprecedented scientific knowledge and persistent skepticism of institutional expertise. These conversations unfold in pediatricians' offices, online forums, and legislative chambers, where parents grapple with decisions that simultaneously concern their most intimate relationships and their broadest civic duties. The mythology that surrounds vaccination—from ancient stories of invulnerability to modern narratives of contamination and purity—shapes how we interpret evidence and navigate uncertainty in ways that pure scientific data cannot address. Through careful examination of the cultural, historical, and ethical dimensions of vaccination debates, we can better understand how metaphors of immunity function not merely as rhetorical devices but as frameworks that organize our deepest assumptions about bodies, communities, and the obligations we owe one another in an interconnected world.
The Mythology and Metaphors of Immunity
The language we use to describe vaccination betrays our deepest anxieties about vulnerability, contamination, and the boundaries between self and other. When British speakers refer to vaccination as a "jab" and Americans call it a "shot," both linguistic choices invoke violence—the puncturing of bodily integrity that vaccination requires becomes metaphorically linked to assault or warfare. This violent imagery extends beyond the moment of injection to encompass broader cultural narratives about what it means to introduce foreign substances into pristine bodies. The metaphor of contamination proves particularly persistent in vaccination discourse, drawing on ancient fears of pollution that have long governed human behavior around disease and difference. These fears manifest in concerns about "toxic" ingredients, the mixing of substances derived from different species, or the introduction of genetic material from other bodies. Such anxieties echo historical patterns in which disease prevention itself becomes associated with moral or spiritual corruption, as when nineteenth-century religious leaders characterized vaccination as an "injection of sin." The mythology of natural immunity presents vaccination as fundamentally at odds with organic processes, positioning "artificial" protection as inferior to immunity acquired through natural infection. This preference for the "authentic" experience of disease reflects broader cultural patterns that romanticize suffering as purifying and view technological intervention as necessarily corrupting. Yet natural immunity itself involves ongoing relationships with pathogens that may prove more burdensome than protective, challenging simple distinctions between natural and artificial, pure and contaminated. These metaphorical frameworks shape how individuals interpret scientific evidence, often determining whether vaccination appears as protection or violation, community care or institutional control. Understanding these deep metaphorical structures reveals why purely rational appeals often fail to address vaccination hesitancy, which operates not merely at the level of risk calculation but at the level of fundamental meaning-making about bodies, nature, and social belonging.
Individual Bodies Within the Social Body
The concept of herd immunity challenges fundamental assumptions about individual autonomy by revealing how personal health decisions inevitably implicate the well-being of others. When sufficient numbers of people in a population are immune to a disease, the pathogen cannot circulate effectively, protecting even those who cannot be vaccinated or in whom vaccination has failed. This phenomenon transforms each vaccination decision into both a personal choice and a civic act, creating what might be understood as a collective immune system that transcends individual boundaries. The resistance to thinking in terms of population-level effects reflects broader cultural patterns that privilege individual autonomy over interdependence, even when such interdependence proves beneficial to individuals themselves. The very term "herd immunity" evokes uncomfortable associations with livestock and crowd mentality, suggesting that collective protection somehow diminishes human dignity or rational agency. Yet this resistance often masks deeper anxieties about social responsibility and the extent to which individual choices should be constrained by their effects on others. Vaccination creates networks of protection that flow along lines of social contact, meaning that decisions about immunization inevitably reflect and reinforce existing patterns of privilege and vulnerability. Communities with high rates of vaccine refusal tend to be relatively affluent and educated, while communities with lower vaccination rates due to access barriers tend to be economically disadvantaged. This distribution means that vaccination refusal among the privileged can endanger the vulnerable, inverting historical patterns in which medical risks were imposed on marginalized populations for the benefit of elites. The metaphor of banking immunity through vaccination reveals how individual protective acts contribute to collective resources from which all can draw. This understanding reframes vaccination not as a consumer choice or personal risk assessment but as a form of civic participation analogous to paying taxes, voting, or other activities through which individual actions create public goods. Such framing challenges both libertarian emphases on personal choice and paternalistic approaches that override individual autonomy, suggesting instead a model of citizenship based on mutual responsibility.
Fear, Trust, and the Politics of Public Health
Vaccination debates reveal profound tensions about expertise, authority, and the proper sources of knowledge in democratic societies. Parents who question vaccination recommendations often articulate sophisticated concerns about conflicts of interest, regulatory capture, and the historical misuse of medical authority, particularly in relation to women and marginalized communities. These concerns cannot be dismissed as mere ignorance or irrationality, as they reflect genuine problems with how scientific knowledge is produced, interpreted, and applied in contexts shaped by power inequalities. The erosion of trust in public health institutions occurs against a backdrop of broader institutional failures that have taught many people to be skeptical of official reassurances about safety and efficacy. The same government agencies that promote vaccination have also approved dangerous drugs, downplayed environmental hazards, and failed to prevent various public health crises. This institutional context means that calls to "trust the science" often sound like calls to ignore legitimate concerns about institutional accountability and democratic oversight of expert decision-making. Fear operates as both a productive and destructive force in vaccination debates, motivating both protective behaviors and resistance to protection. Parents who refuse vaccination often do so from deep love for their children and genuine concern for their welfare, while parents who embrace vaccination may be motivated by equally deep fears of preventable disease. These competing fears reflect different assessments of risk that cannot be resolved through appeals to statistical evidence alone, as they involve fundamental questions about which kinds of harm feel more threatening or manageable. The politicization of vaccination transforms medical decisions into expressions of broader ideological commitments about the role of government, the trustworthiness of expertise, and the proper balance between individual liberty and collective welfare. When vaccination becomes a partisan issue, scientific evidence gets filtered through pre-existing political loyalties, making it difficult to address concerns about vaccine safety without also addressing concerns about political power. This dynamic suggests that restoring confidence in vaccination may require not just better communication about scientific evidence but also reforms to make public health institutions more democratically accountable and responsive to legitimate citizen concerns.
Toward a Collective Understanding of Protection
The challenge of vaccination in democratic societies ultimately requires moving beyond both individualistic frameworks that ignore social interdependence and paternalistic approaches that override personal autonomy. A more adequate approach might begin with recognition that protection itself is always already collective—that individual immune systems depend on complex ecosystems of microbes, that personal health depends on environmental conditions shaped by social policies, and that the boundaries between self and other prove more porous and permeable than common-sense individualism suggests. This ecological understanding of immunity points toward models of public health based on care rather than coercion, recognition of interdependence rather than enforcement of compliance. Such approaches would take seriously both the legitimate concerns that drive vaccination hesitancy and the genuine risks that vaccination refusal poses to community health. They would acknowledge that trust must be earned through institutional transparency, democratic accountability, and responsiveness to citizen concerns, rather than demanded on the basis of expertise alone. The metaphor of tending a garden offers an alternative to both military metaphors of fighting disease and market metaphors of consumer choice, suggesting instead that health emerges from careful cultivation of conditions that support flourishing for all community members. This perspective emphasizes prevention, environmental health, and addressing social determinants of health disparities, while positioning vaccination as one tool among many for creating healthier communities. Ultimately, vaccination debates reveal fundamental questions about how democratic societies should make decisions about collective welfare when individual and community interests appear to conflict. These questions cannot be resolved through technical expertise alone but require ongoing democratic deliberation about values, priorities, and the kinds of communities we want to create together. The goal is not to eliminate disagreement but to create conditions for more productive disagreement that takes seriously both scientific evidence and democratic values, both individual autonomy and social responsibility.
Summary
Vaccination represents a unique intervention that simultaneously engages our most intimate concerns about bodily integrity and our broadest commitments to collective welfare, revealing how questions that appear purely medical inevitably become questions about trust, power, community, and the proper scope of individual choice in democratic societies. The persistence of vaccination controversies despite overwhelming scientific consensus about safety and efficacy demonstrates that public health challenges cannot be addressed through appeals to technical expertise alone but require sustained attention to the social, cultural, and political contexts in which scientific knowledge is interpreted and applied. By examining vaccination through multiple lenses—historical, cultural, ethical, and political—we gain insight not only into this particular public health challenge but into broader questions about how democratic societies can navigate complex collective action problems in an era of declining institutional trust and increasing social fragmentation.
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By Eula Biss
