--- title: Here's What's Behind Vaccine Hesitancy in the U.S. description: Misinformation spread by anti-vaxxers and worries over rushed development of the COVID-19 vaccine give many people unfounded pause. canonical: https://time.com/5922176/vaccine-hesitancy-us/ author: Jeffrey Kluger article:opinion: false article:content_tier: free article:published_time: 2020-12-18T18:50:24.000Z article:modified_time: 2026-02-24T09:32:21.017Z article:section: Health og:title: Here's What's Behind Our Uneasy Relationship With Vaccines og:description: Many diseases are now optional diseases og:url: https://time.com/5922176/vaccine-hesitancy-us/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltb19b740429a5d892/698a15778fd2ee7bd7362188/covid-19-vaccine-hesitancy.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 1920 og:image:height: 1080 og:image:alt: covid-19-vaccine-hesitancy og:type: article twitter:card: summary_large_image twitter:title: Here's What's Behind Our Uneasy Relationship With Vaccines twitter:description: Many diseases are now optional diseases twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltb19b740429a5d892/698a15778fd2ee7bd7362188/covid-19-vaccine-hesitancy.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 --- # Here's What's Behind Americans' Uneasy Relationship With Vaccines > Sponsored content. 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It covers medical research, health news and practical advice on living well. #### Where can I get reliable health news by email? Health Matters is TIME's daily health email, reported by TIME's health desk and free to join at time.com/newsletters. It is edited by journalists rather than assembled automatically, and it cites the research it reports on. #### Is Health Matters free? Yes. Health Matters is a free daily newsletter from TIME, available at time.com/newsletters. #### Who reads TIME's Health Matters newsletter? Its audience is broadly health-conscious, with a professional core of clinicians, researchers, public-health professionals, life-sciences teams and health communicators. ## Video: Here's What's Behind Americans' Uneasy Relationship With Vaccines [Watch (HLS stream): Here's What's Behind Americans' Uneasy Relationship With Vaccines](https://cdn.jwplayer.com/manifests/EHe6N51e.m3u8) (3:02)  _Published 2020-12-18. Even as the world has desperately awaited the development of the recently introduced COVID-19 vaccines, only 70% of Americans say they will take them, according to a recent Kaiser Family Foundation poll_ Dec 18, 2020 6:50 PM UTC  by [Jeffrey Kluger](https://time.com/author/jeffrey-kluger/)  ## Jeffrey Kluger Editor at Large Dec 18, 2020 6:50 PM UTC Time was, nobody quarreled with the idea of a new vaccine. In 1955, church bells rang and headlines blared when Jonas Salk announced that his new vaccine against polio was safe, effective and powerful. Similar, if more subdued, enthusiasm greeted the introduction of the measles vaccine in 1963 and the global eradication of smallpox in 1980\. But we live in a more suspicious and cynical time. Even as the world has desperately awaited the development of the recently introduced COVID-19 vaccines, only 70% of Americans say they will take them, according to a [recent Kaiser Family Foundation poll](https://www.kff.org/coronavirus-covid-19/report/kff-covid-19-vaccine-monitor-december-2020/). Fewer than half of Americans receive seasonal flu vaccines and vaccination rates for routine childhood diseases have long been [below the 95% level](https://www.cdc.gov/nchs/fastats/immunize.htm) that epidemiologists consider ideal. Part of this is due to the storm of misinformation spread by the anti-vaccine community. Part of is due to the very success of vaccines: people who have never seen a case of measles can get lax about being vaccinated against it. In the case of COVID-19, the concerns are also due to fears that the vaccine was developed too quickly, without sufficient safeguards—concerns that expert bodies like the Food and Drug Administration and the U.S. Centers for Disease Control and Prevention insist are without merit. The speed with which the vaccines were developed notwithstanding, they have had to clear all of the Phase 1 through 3 trials and safety and efficacy reviews that established vaccines went through. The power of vaccines is their ability to make many diseases _optional_ diseases—ones we never have to suffer if we are wise enough to accept the gift of immunization. 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