Long before COVID-19, states have been mandating vaccinations – Pew Research Center

Many Republican governors reacted furiously after President Joe Biden said he would require employees at large businesses to either get vaccinated against COVID-19 or submit to weekly testing. But Republican- and Democratic-led states alike already require hundreds of thousands of their citizens infants, toddlers and schoolchildren, mostly to be vaccinated against a panoply of diseases. In fact, mandatory childhood immunizations have been a feature of American society since the 19th century.

Currently, the Centers for Disease Control and Preventions Advisory Committee on Immunization Practices recommends routine vaccination against 16 diseases from birth through age 18. The CDC recommendations, in turn, inform individual states vaccine mandates: Typically, children who havent received the required shots for their age cant attend school (public, private or parochial) or enroll in child care programs, though there are exemptionsfor religious, medical or other reasons.

President Bidens new COVID-19 vaccine mandate ignited a political controversy. At the time, several news accounts pointed out that vaccine mandates were common at the state level, including in Republican-governed states. We wanted to know just how common such mandates were and how they differed from state to state.

To find out, we searched state statutes and rules governing immunizations required for entry to schools and child care centers, by far the most widespread state vaccine mandates. We also consulted the websites of each states health department and, when details were still unclear, news reports and other non-official sources.

Our information about recommended vaccines for infants, children and teens came directly from the Centers for Disease Control and Prevention. For the history of vaccine development, approval and recommendations, we consulted the CDC and the Food and Drug Administration, as well as histories maintained by The College of Physicians of Philadelphia and the Childrens Hospital of Philadelphia.

Under Bidens plan, all companies with more than 100 workers will have to either require their employees be immunized or undergo weekly testing. Biden also acted to mandate shots for federal contractors and most federal workers, and expanded a previously announced vaccine mandate for nursing-home workers to cover virtually all health care workers.

Some states already mandate certain vaccinations for specific categories of adults. New York, for example, requires that all workers in hospitals, nursing homes and other health care facilities be immunized against measles and rubella. Rhode Island requires child care workers to not only be immunized against several common childhood diseases, but to get an annual flu shot, too. Several states have specific vaccination mandates for college students.

But in the main, most vaccine mandates apply to children and teens. We studied state laws, regulations and information from state health departments to assess how widely mandated the CDCs vaccine recommendations are.

Of the 16 immunizations the CDC recommends for children and teens, all 50 states (plus the District of Columbia) mandate diphtheria, tetanus, pertussis (whooping cough), polio, measles, rubella and chickenpox. In addition, every state except Iowa mandates immunization against mumps. (The diphtheria, tetanus and pertussis vaccines usually are given as a single combined shot, as are the measles, mumps and rubella vaccines.) Except for the chickenpox vaccine, which became available in the United States in 1995, all those vaccines have been around for 50 years or more.

Among newer childhood vaccines, though, state mandates are something of a mixed bag. Only two states (Alabama and South Dakota) dont require vaccination against hepatitis B at some point in a childs life, but about half (24) dont require it for hepatitis A. Just six states five of them in the Northeast require annual flu vaccines for child care or preschool enrollment, and none do so for K-12 students.

Three vaccines against rotavirus, pneumococcal disease and Haemophilus influenzae type b, or Hib typically are recommended for children younger than 5 years old. (Hib, despite what its name might imply, doesnt cause the flu, but it can cause a range of other ailments, from mild ear infections to potentially deadly meningitis and blood infections.) However, while all but four states mandate the Hib vaccine for day care or pre-K, 10 dont require the pneumococcal shot, and only eight require immunization against rotavirus.

The remaining two vaccines, against human papillomavirus (HPV) and meningococcal disease, are recommended for teens and older children around age 11 or 12. A majority of states (33, as well as D.C.) require the meningococcal vaccine, although Massachusetts is phasing in its requirement and Vermont only requires it for students living on campus. But only D.C., Hawaii, Rhode Island and Virginia require the HPV shot, which protects against cervical and other cancers but has been controversial because HPV is transmitted sexually.

Vaccination mandates in the U.S. date back to the 19th century, when many cities and states started requiring children to be immunized against smallpox; the Supreme Court upheld such mandates in a landmark 1905 decision. A combination vaccine against diphtheria, tetanus and pertussis became available in 1948, and it was quickly added as a routinely recommended shot.

In 1977, the World Health Organizations Expanded Program on Immunization set a goal of giving every child in the world access to immunization against six diseases by 1990: dipththeria, pertussis, tetanus, polio, measles and tuberculosis, or TB. (Infants and small children are commonlyvaccinated against TBin countries where the disease is prevalent. In the U.S., however, only children who are specifically at risk for contracting TB or adults in high-exposure settings, such as health care workers are offered the shot.)

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Long before COVID-19, states have been mandating vaccinations - Pew Research Center