not getting your kid vaccinated in North America for measles or any other preventable disease is a form of child abuse
1914: Measles Mortality Statistics In 1914, a statistician for the Prudential Insurance Company estimated that 1% of all deaths in the temperate zone were caused by measles. He also noted that 1–6% of measles cases ended fatally, depending on age, social conditions, and pre-existing health conditions.
1954: Isolation of the Measles Virus In 1954, John Enders and Thomas C. Peebles isolated the measles virus from a 13-year-old boy from the United States, David Edmonston. They used techniques similar to those used to propagate poliovirus to grow the Edmonston strain, leading to the development of a virus capable of replicating and generating immunity without causing disease.
1963: First Successful Measles Vaccine In 1963, Maurice Hilleman at Merck used the Edmonston B strain to develop the first successful measles vaccine, which became widely available in the United States.
1968: Improved Measles Vaccine In 1968, an improved measles vaccine became available.
1971: MMR Vaccine Licensed in the United States In 1971, the measles vaccine was combined with the mumps and rubella vaccines to create the MMR vaccine, which was licensed for use in the United States.
1991: Measles Outbreak in Philadelphia In 1991, Philadelphia experienced a measles outbreak centered around the Faith Tabernacle Congregation, a church that discouraged vaccination. Over 1400 people were infected and nine children died.
1992: Measles Cases Reach Highest Number Since 1992 From January to December 2019, 1,282 individual cases of measles were confirmed in 31 states. This is the greatest number of cases reported in the US since 1992.
1997: Measles Caseload In 1997, the measles caseload in Europe was significantly lower than in 2024, marking a notable point of comparison for the resurgence of the disease.
2000: Measles declared eliminated in the US As of April 2019, the number of measles cases in the United States was the highest since measles was declared eliminated in 2000.
2000: Measles Cases in the United States By 2000, consistent and widespread childhood vaccination in the United States had reduced measles cases to approximately 1 case per million people.
2001: Measles Cases in the United States From 2001 to 2011, there were 911 cases of measles in the United States, after it was declared free of the disease in 2000.
2003: Last Measles Fatality in the U.S. prior to 2015 Prior to 2015, the last measles fatality in the U.S. occurred in 2003. In 2015, a woman in Washington state died of pneumonia as a result of measles, marking the first measles-related death in the U.S. since 2003.
2005: MMRV Vaccine Licensed In 2005, the MMR vaccine was combined with the varicella vaccine to create the MMRV vaccine, which was licensed.
2011: Measles Cases in the United States From 2001 to 2011, there were 911 cases of measles in the United States, after it was declared free of the disease in 2000.
December 2014: Disneyland Measles Outbreak Origin In late December 2014, a measles outbreak, believed to have originated from Disneyland in California, led to 147 infections across seven U.S. states, Mexico, and Canada, primarily affecting unvaccinated individuals or those with unknown vaccination status. From January 4 to April 2 2015, 70% of 159 cases reported to the CDC were determined to have come from this exposure.
2014: Ohio Measles Outbreak In 2014, an outbreak of measles began in Ohio when two unvaccinated Amish men returned from missionary work in the Philippines. The outbreak led to 383 cases across nine counties, with 89% occurring in unvaccinated individuals.
2014: CDC Statement on Measles In 2014, the CDC stated that endemic measles, rubella, and congenital rubella syndrome had not returned to the United States, despite occasional outbreaks caused by imported cases and unvaccinated residents becoming infected abroad.
2014: Vietnamese Measles Epidemic In the spring of 2014, Vietnam experienced a measles epidemic, with an estimated 8,500 cases and 114 fatalities reported as of April 19. By May 30, there were 21,639 suspected cases and 142 measles-related fatalities.
April 2015: Measles Cases Reported to CDC From January 4 to April 2, 2015, the CDC reported 159 cases of measles, with 70% linked to an earlier exposure in December 2014.
2015: First Measles Death Since 2015 On 26 February 2025, the first measles death since 2015 was reported, that of an unvaccinated school-aged child in West Texas.
August 2016: Measles Outbreak in Myanmar In August 2016, a measles outbreak in the Naga Self-Administered Zone in Myanmar resulted in at least 40 children's deaths due to a lack of vaccination in an area with poor health infrastructure.
2016: Brazil Wins Measles Elimination Certificate In 2016, Brazil was awarded a measles elimination certificate by the Pan American Health Organization.
June 2017: Measles Case Confirmed in Maine In June 2017, a case of measles was confirmed in Franklin County, Maine, marking the first case in the state in 20 years.
2017: Measles Cases Return to the Americas In 2017, after having been declared eliminated in 2016, measles cases reappeared in the Americas.
April 2019: New York Declares Public Health Emergency In April 2019, New York Mayor Bill de Blasio declared a public health emergency due to a measles outbreak centered on Orthodox Jewish areas of Brooklyn, with 285 cases, and 168 more in Rockland County.
April 2019: Measles Cases Reach Highest Number Since Elimination As of April 2019, there had been 695 cases of measles reported across 22 states in the U.S., marking the highest number of cases since measles was declared eliminated in 2000.
2024: Total Measles Cases for 2024 As of March 2025, the CDC reported that the 483 measles cases recorded already exceeded the entire total number of measles cases in the US for 2024, which was only 285.
2024: Measles cases increase in Europe In 2024, Europe experienced a significant surge in measles cases, with 127,350 cases reported, the highest since 1997. This figure represented one-third of all global measles cases, with Romania being the epicenter with 30,692 cases.
2024: Measles Outbreak in the Philippines In 2024, a measles outbreak was declared in the Bangsamoro region in the Philippines with at least 592 cases and 3 deaths.
February 2025: Measles Outbreak and Death in Texas and New Mexico As of February 2025, a measles outbreak was ongoing among unvaccinated communities in Texas and New Mexico. On February 26, the first measles death since 2015 was reported in West Texas. The confirmed number of cases was 124 as of February 26, mostly in children ages 5–17.
March 2025: Measles Cases in the US Exceed 2024 Total As of March 2025, the CDC recorded 483 confirmed measles cases across 20 states, with 2 deaths and 70 hospitalizations. This exceeded the entire 2024 total of 285 cases.
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