On Feb. 20, 2026, a research study lead by the Yale School of Public Health shows the resurgence…
On Feb. 19, 2026, a new data tracking tool Oregon Health Authority (OHA) has been launched that shows the five confirmed measles cases identified in the…
On Feb. 10, 2026, an Annenberg survey finds that a sizable majority of Americans think the three vaccines…
On Jan. 2, 2026, U.S. states will no longer be required to report how many children they vaccinate…
On Dec. 29, 2025, measles cases nationwide have reached 2,012, the Centers for Disease Control and Prevention (CDC)…
On Sept. 19, 2025, the state health officials of the members of the West Coast Health Alliance, including…
On Jul. 15, 2025, in 2024, 89% of infants globally – about 115 million – received at least…
On Jun. 9, 2025, Health and Human Services Secretary Robert F. Kennedy Jr. has fired all 17 members…
On Nov. 21, 2024, the U.S. Centers for Disease Control and Prevention (CDC) reported that by the week…
On Nov. 14, 2024, the World Health Organization (WHO) and the U.S. Centers for Disease Control and Prevention…
On Aug. 28, 2024, survey data from the Annenberg Public Policy Center (APPC) found that the number of…
On Mar. 6, 2023, Merck announced that the U.S. Food and Drug Administration (FDA) had approved the addition…
Around 500 BCE, Hippocrates, a pioneering physician in the history of Medicine, and considered as the principal author…
On Aug. 14, 2020, in the U.S., despite high rates of coverage (>90%) at the national level for…
On Jan. 12, 2018, the U.S. Centers for Disease Control and Prevention’s Immunization Practices Advisory Committee Advisory Committee on…
On Sept. 27, 2016, the Region of the Americas was the first in the world to have eliminated…
On Jun. 14, 2013, the U.S. Centers for Disease Control and Prevention’s (CDC) Advisory Committee on Immunization Practices…
On Oct. 21, 2009, Merck announced that the company will not resume production of monovalent measles, mumps, and…
On Feb. 12, 2009, the Vaccine Court ruled that MMR vaccine, when administered with thimerosal-containing vaccines, does not…
On Mar. 14, 2008, the U.S. Centers for Disease Control and Prevention (CDC) updated its recommendations for administering…
On May 18, 2006, the U.S. Centers for Disease Control and Prevention (CDC) resported on a multi-state mumps…
On Sept. 6, 2005, the vaccine that combined the measles, mumps, rubella, and varicella antigens (Proquad by Merck)…
On Jan. 11, 1991, recommendations of Immunization Practices Advisory Committee (ACIP) for routine Hib vaccination for infants beginning…
On Apr. 13, 1990, the Immunization Practices Advisory Committee (ACIP) recommendations for use of any of the three…
On Jan. 22, 1988, the Centers for Disease Control and Prevention’s (CDC) Immunization Practices Advisory Committee (ACIP) recommended…
In 1986, the National Childhood Vaccine Injury Act was enacted by Congress. The Department of Health and Human…
In 1979, the U.S. Food and Drug Administration (FDA) licensed the RA 27/3 (human diploid fibroblast) strain of…
On Apr. 6, 1977, the Department of Health, Education, and Welfare (now Department of Health and Human Services)…
In 1977, Joseph A. Califano, Jr., Secretary of the Dept of Health, Education, and Welfare (later Health and…
In 1976, because of evidence of increased vaccine efficacy at older ages, the recommended age for vaccination was…