Perspective
Politics, Parents, and Prophylaxis — Mandating HPV Vaccination in the United States
N Engl J Med 2007; 356:1905-1908May 10, 2007
- Article
Cancer prevention has fallen victim to the culture wars. Throughout the United States, state legislatures are scrambling to respond to the availability of Merck's human papillomavirus (HPV) vaccine, Gardasil, and to the likely introduction of GlaxoSmithKline's not-yet-approved HPV vaccine, Cervarix, which have been shown to be effective in preventing infection with HPV strains that cause about 70% of cases of cervical cancer. At the Centers for Disease Control and Prevention (CDC), the Advisory Committee on Immunization Practices (ACIP) has voted unanimously to recommend that girls 11 and 12 years of age receive the vaccine, and the CDC has added Gardasil to its Vaccines for Children Program, which provides free immunizations to impoverished or underserved children.
Yet despite this federal imprimatur, access to these vaccines has already become more a political than a public health question. Though the more important focus might be on the high cost of the vaccines — a cost that poses a genuine obstacle to patients, physicians, and insurers — concern has focused instead on a purported interference in family life and sexual mores. This concern has resulted in a variety of political efforts to forestall the creation of a mandated vaccination program. In Florida and Georgia, for example, efforts to increase adoption of the vaccine have been stalled by legislative maneuvering. The Democratic governor of New Mexico has announced that he will veto a bill that mandates vaccinations. And the Republican governor of Texas came under fire (and under legal attack from his own attorney general) when he issued an executive order to the same effect, mandating that all girls entering the sixth grade receive the vaccine; the policy was attacked as an intrusion on parental discretion and an invitation to teenage promiscuity. But all these measures included a parental right to opt out, whether on religious or secular grounds. The opposition seemed more about acknowledging the realities of teenage sexuality than about the privacy and autonomy of the nuclear family.
For more than a century, it has been settled law that states may require people to be vaccinated, and both federal and state court decisions have consistently upheld vaccination mandates for children, even to the extent of denying unvaccinated children access to the public schools. State requirements vary as to the range of communicable diseases but are often based on ACIP recommendations. School-based immunization requirements represent a key impetus for widespread vaccination of children and adolescents1 and are enforceable even when they allegedly conflict with personal or religious beliefs.2 In practice, however, these requirements usually feature exceptions that include individual medical, religious, and philosophical objections.
State Laws and Proposed Legislation Mandating HPV Vaccination. HPV-vaccination mandates, which are aimed more at protecting the vaccinee than at achieving herd immunity, have been attacked as an unwarranted intrusion on individual and parental rights. The constitutionality of vaccination mandates is premised on the reasonableness of the risk–benefit balance, the degree of intrusion on personal autonomy, and, most crucial, the presence of a public health necessity. On the one hand, to the extent that required HPV vaccination is an example of state paternalism rather than community protection, mandatory programs lose some of their justification. On the other hand, the parental option to refuse vaccination without interfering in the child's right to attend school alters this balance. Here the mandates act less as state imperatives and more as subtle tools to encourage vaccination. Whereas an opt-in program requires an affirmative effort by a parent, and thus misses many children whose parents forget to opt in, an opt-out approach increases vaccination rates among children whose parents have no real objection to the program while perfectly preserving parental autonomy.
Opposition to HPV vaccination represents another chapter in the history of resistance to vaccination and, on some levels, reflects a growing trend toward parental refusal of a variety of vaccines based on the (erroneous) perception that many vaccines are more risky than the diseases they prevent. In most cases, pediatricians have largely restricted themselves to educating and counseling objecting families, since it is rare that the risks posed by going unvaccinated are so substantial that refusal is tantamount to medical neglect. In the case of HPV vaccine, parents' beliefs that their children will remain abstinent (and therefore uninfected) until marriage render it even more difficult to make the case for mandating a medical form of prevention. Even with an opt-out program, critics may argue that the availability of a simple and safe alternative — that is, abstinence — undermines the argument for a state initiative that encourages vaccination through mandates coupled with an option for parental refusal.
But experience shows that abstinence-only approaches to sex education do not delay the age of sexual initiation, nor do they decrease the number of sexual encounters.3 According to the CDC, though only 13% of American girls are sexually experienced by 15 years of age, by 17 the proportion grows to 43%, and by 19 to 70%.4 School-based programs are crucial for reaching those at highest risk of contracting sexually transmitted diseases, and despite the relatively low rate of sexual activity before age 15, the programs need to begin with children as young as 12 years: the rates at which adolescents drop out of school begin to increase at 13 years of age,1 and younger dropouts have been shown to be especially likely to engage in earlier or riskier sexual activity.
Another fear among those who oppose mandatory HPV vaccination is that it will have a disinhibiting effect and thus encourage sexual activity among teens who might otherwise have remained abstinent. This outcome, however, seems quite unlikely. The threat of pregnancy or even AIDS is far more immediate than the threat of cancer, but sex education and distribution of condoms have not been shown to increase sexual activity. Indeed, according to a study conducted by researchers at the University of Pennsylvania, it is the comprehensive sex-education approaches that include contraceptive training that “delay initiation of sexual intercourse, reduce frequency of sex, reduce frequency of unprotected sex, and reduce the number of sexual partners.”5 Opposition to the HPV-vaccination mandates, then, would seem to be based more on an inchoate concern: that to recognize the reality of teenage sexual activity is implicitly to endorse it.
Public health officials may have legitimate questions about the merits of HPV vaccine mandates, in light of the financial and logistic burdens these may impose on families and schools, and also may be uncertain about adverse-event rates in mass-scale programs. But given that the moral objections to requiring HPV vaccination are largely emotional, this source of resistance to mandates is difficult to justify. Since, without exception, the proposed laws permit parents to refuse to have their daughters vaccinated, the only valid objection is that parents must actively manifest such refusal. Such a slight burden on parents can hardly justify backing away from the most effective means of protecting a generation of women, and in particular, poor and disadvantaged women, from the scourge of cervical cancer. To lighten that burden even further, the governor of Virginia has proposed that refusals need not even be put in writing. Perhaps it is time for parents who object to HPV vaccinations to take a lesson from their children and heed the words of Nancy Reagan: Just say no.
An interview with Professor Charo can be heard at www.nejm.org.
Source Information
Professor Charo is a professor of law and bioethics at the University of Wisconsin, Madison.
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