Measles is one of the deadliest and most contagious infectious diseases – and one of the most easily preventable

Adobe Stock Photo by David Higgins, University of Colorado Anschutz Medical Campus “You don’t count your children until the measles has passed.” Dr. Samuel Katz, one of the pioneers of the first measles vaccine in the late 1950s to early 1960s, regularly heard this tragic statement from parents in countries where the measles vaccine was not yet available, because they were so accustomed to losing their children to measles. I am a pediatrician and preventive medicine physician, and I have anxiously watched measles cases rise worldwide while vaccination rates have dropped since the early days of the COVID-19 pandemic due to disruptions in vaccine access and the spread of vaccine misinformation. In 2022 alone, there were over 9 million measles cases and 136,000 deaths worldwide, an 18% and 43% increase from the year before, respectively. The World Health Organization warned that over half the world’s countries are at high risk of measles outbreaks this year. The U.S. is no exception. The country is on track to have one of the worst measles years since 2019, when Americans experienced the largest measles outbreak in 30 years. As of mid-February 2024, at least 15 states have reported measles cases and multiple ongoing,...