US President Donald Trump signed an executive order to split the MMR vaccine into three separate shots and space out childhood immunizations.
United States President Donald Trump signed a major official document called an executive order on Monday, August 10, 2026, inside the Oval Office at the White House in Washington, D.C. The new presidential document asks government health agencies to make big changes to the national rules for children’s health shots. Under this new directive, the president wants doctors to stop giving children the popular combined MMR vaccine, which protects against measles, mumps, and rubella all in one injection, and instead split it into three separate single shots given on completely different doctor visits. The order also lowers the total number of vaccines recommended for every child from eighteen down to eleven, cutting out routine advice for flu, COVID-19, and hepatitis B shots.
Speaking to reporters in the White House while signing the order, President Donald Trump celebrated the announcement as a “major victory for parents’ rights, religious and constitutional rights, and for the gold standard science”. Explaining how he wants family doctor visits to work in the future, Donald Trump said that “for example, at one year, you should have five separate visits for vaccines rather than getting them all in the same day”.
The main reason the president pushed for this change is his personal belief that giving babies multiple shots at the same time can be overwhelming and might cause health problems. White House spokesperson Kush Desai defended the president’s action, explaining that Donald Trump is “one of countless parents who have voiced questions and concerns about the combined MMR vaccine”. He added that providing separate single-disease shots will “give parents more options on timing and frequency for their children, which ultimately will increase vaccination rates for all three”.
However, medical doctors, scientists, and child health experts across the country quickly spoke out against the order, warning that spacing out shots will confuse parents and make children sick. They pointed out that separate single shots for measles, mumps, and rubella are not even currently made or sold by medicine factories in the United States, meaning parents cannot actually get them today. Medical experts also explained that forcing parents to visit the clinic five or six times instead of once will lead to missed appointments, leaving young babies without protection against dangerous diseases for much longer.
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Reacting strongly to the president’s decision, Republican Senator Bill Cassidy, who is a trained medical doctor, criticized the announcement on social media. Giving a clear warning to parents, Senator Bill Cassidy stated, “I’m a doctor. This executive order is wrong. The President does not have the expertise to make these changes”. He strongly reassured families about shot safety, adding that “vaccines are overwhelmingly safe. Vaccines are effective. Vaccines DO NOT cause autism”.
Top pediatric doctors also reminded the public that dozens of scientific studies involving millions of children over many years have proved that combination shots are completely safe for young bodies. Rejecting the claims made in the presidential document, Dr. Andrew Racine, president of the American Academy of Pediatrics, emphasized that families should trust established science. Reassuring parents across the nation, Dr. Andrew Racine stated that “science about vaccines and their efficacy has not changed. The distribution of viruses and other pathogens in our environment has not changed. Children in this country have not changed in the last 48 hours”. While the White House wants states to update their school rules, individual states and local family pediatricians will continue to guide school entry shot requirements.
