Health Experts Challenge CDC Vaccine Guidance Amid Measles Surge

WHO:

NPR - Dr. John Snyder, a pediatrician in Amherst, Mass.

NPR - Robert F. Kennedy Jr., nominee to lead the Department of Health and Human Services.

Yahoo - Senator Rev. Raphael Warnock, representing Georgia.

Yahoo - The American Academy of Pediatrics (AAP).

Yahoo - National Association of County and City Health Officials.

WHAT:

Yahoo - As of July 23, 2026, there have been more measles cases in the U.S. than in the entire year of 2025, with 2,318 confirmed cases reported.

Anchorage Daily News - Genetic material from the measles virus was detected in wastewater samples taken from Anchorage’s John M. Asplund Wastewater Treatment Facility on July 7, 8, 9, and 14, indicating the presence of the virus in the community.

Anchorage Daily News - There were three measles deaths reported in the U.S. in 2025, but no deaths from measles have been reported in 2026.

Yahoo - As of July 23, there have been 2,318 confirmed measles cases across 45 districts in the United States in 2026.

Yahoo - There have been 35 new outbreaks of measles in 2026, with 93% of cases stemming from these outbreaks.

Yahoo - 93% of confirmed measles cases occur in unvaccinated individuals, and half of all cases are in children under the age of 19.

Yahoo - In 2025, there were 2,289 measles cases reported, marking a 30-year high.

NPR - The CDC removed several vaccines from the recommended vaccine schedule for all children on January 5, against the advice of major medical groups.

NPR - A federal judge ordered the Trump administration to revert to previous vaccine guidelines after a lawsuit from medical groups.

WHERE:

Anchorage Daily News - The presence of measles RNA was detected in wastewater samples from Anchorage, Alaska.

NPR - Amherst, Massachusetts.

Yahoo - The United States, specifically mentioning 45 districts.

WHEN:

Yahoo - As of July 23, 2026, measles cases have surpassed those of the entire year of 2025.

Yahoo - The spike in measles cases began in late January and continued into February 2026.

WHY:

Anchorage Daily News - Alaska is at elevated risk for measles due to a lower vaccination rate compared to the rest of the nation.

NPR - Trust in the CDC has declined among medical professionals after Trump appointed Robert F. Kennedy Jr. to lead the Department of Health and Human Services.

Yahoo - Senator Warnock called for Kennedy's resignation due to the rising measles cases, stating "Enough is enough."

HOW:

NPR - Pediatricians like Dr. Snyder are launching independent vaccine education campaigns, such as Valley Vax, to provide reliable information to families.

NPR - Valley Vax promotes advice from local doctors and national medical groups, avoiding direct criticism of the CDC.

(UPDATED July 30, 2026 14:45 UTC)

There have been more measles cases in the U.S. as of July 23, 2026, than in all of 2025, with a total of 2,318 confirmed cases. In Anchorage, Alaska, genetic material from the measles virus was found in wastewater samples collected earlier in the month, highlighting the virus's presence in the community. Alaska's lower vaccination rate compared to the rest of the country places it at an elevated risk for further outbreaks.

--

(UPDATED July 30, 2026 13:35 UTC)

Measles cases in the United States have surged to 2,318 across 45 districts as of July 23, 2026, surpassing the total for all of 2025, with 93% of these cases occurring in unvaccinated individuals, many of whom are children under 19. In response to this alarming trend, pediatricians like Dr. John Snyder are launching independent vaccine education campaigns, such as Valley Vax, to provide families with reliable information, while Senator Rev. Raphael Warnock has called for the resignation of Robert F. Kennedy Jr., who was appointed to lead the Department of Health and Human Services amid declining trust in the CDC. This spike in measles cases began in late January and has led to significant concern among medical professionals, prompting calls for a return to previous vaccine guidelines after a federal judge's order against the Trump administration's changes.