A recent Gallup poll shows fewer Americans now think childhood vaccines are important than they used to.
The poll found that 69% of respondents think childhood vaccines are “very” or “extremely” important, down from 94% in 2001. In other words, there has been a dramatic shift in the perception of vaccines over the past 20 years. In the United States, a growing number of Americans are reluctant to vaccinate themselves or their children.
Vaccine hesitancy has also permeated the Louisiana Department of Health, where public health workers are prohibited from promoting certain vaccines to the public. COVID-19, influenza, mpox vaccinations and more.
Why is this happening? And why does it matter? The answer is not simple, but it is likely a combination of factors related to the intertwined relationship between medicine and politics.
Although vaccine hesitancy has always existed to some degree in society, vaccines have traditionally been hailed as a major advance in science that has prevented millions of illnesses. For example, take measles, which the United States declared eradicated in 2000. There are now nearly 300 cases of measles in the United States this year alone, due to an increase in parents traveling abroad and refusing to vaccinate their children against measles. Most of them are unvaccinated people. If herd immunity exists, this number should be at or near zero. Herd immunity refers to the protection afforded to a community against a contagious disease when a certain percentage of the population develops immunity. In the case of measles, herd immunity occurs when 95% of the population is vaccinated.
Vaccine hesitancy has recently reached unprecedented levels during the COVID-19 pandemic, making the conversation about vaccines highly polarized. Conservative leaders framed vaccine mandates as an overreach of government power and a threat to personal freedom and bodily autonomy, while more liberal and progressive leaders viewed vaccines as promoting public health. It was recognized as a collective opportunity to This led many Americans to question the safety and effectiveness of vaccines, ultimately leading to a sharp divide between Republicans and Democrats on the issue.
It’s no surprise then that Republicans and Republican-leaning independents were far less likely to get a coronavirus vaccine or view the vaccine positively than Democrats and Democratic-leaning independents. In fact, according to the aforementioned Gallup poll, 26% of Republicans and Republican-leaning independents think it is very important to get their children vaccinated, compared to 26% of Republicans and Republican-leaning independents. In terms of demographics, it is 63%. Currently, the two groups differ by 37 percentage points, whereas in 2001 they differed by only 4 percentage points.
The politicization is also exacerbated by widespread misinformation about vaccines. As an example, the false claim that the MMR vaccine for measles is linked to the development of autism was spread and often amplified through social media. Although there is no scientific evidence to support an actual link between autism and vaccine uptake, this claim has gained traction among some Americans and led to a decline in trust in vaccines.
Misinformation campaigns and inconsistent messages from political leaders have left many questioning the motives behind the vaccine push. This led some Americans to believe that the vaccine was being recommended for political rather than scientific reasons, particularly because of the speed with which coronavirus vaccines were developed.
Increasing vaccine hesitancy poses a serious problem for science and public health as a whole. When scientific tools like vaccines become embroiled in political and ideological battles, public trust is eroded and widespread efforts to control the disease are hampered. This is certainly the case with measles, with cases already reported this year in 30 states and Washington, DC. Remember, if this disease were eradicated and children were up to date on vaccinations, there would probably be zero outbreaks across America.
Addressing these challenges will require a collaborative effort from government officials, public health leaders, health care workers, teachers, and parents. Transparent and clear messaging, strengthening educational programs, increasing research efforts, and increasing digital and media literacy will all help restore confidence in the vaccine campaign.
Our health and the future of our children depend on it.