Measles surge hits new milestone as US cases surpass last year's total

Measles has reemerged arsenic a persistent nationalist wellness situation successful the U.S. implicit the past 2 years — and the dispersed isn't slowing down.

According to a Johns Hopkins University tracker that compiles section and authorities wellness data, determination were 2,295 confirmed measles cases successful the U.S. arsenic of July 22.

This fig has officially surpassed the 2025 numbers, which totaled 2,286 measles cases nationwide.

MEASLES-INFECTED TRAVELER MAY HAVE EXPOSED PASSENGERS AT LAX AND NEARBY HOTEL, HEALTH OFFICIALS WARN

Cases person been reported crossed the country, but concentrated outbreaks person worsened successful immoderate areas of Pennsylvania, South Carolina, Florida, Virginia, Utah, Texas and Arizona. In 2025, Texas had the largest outbreak, totaling 803 cases passim the state.

Measles cases person officially surpassed 2025 numbers, which totaled 2,286 cases. The U.S. has reported 2,295 measles cases truthful acold successful 2026. (iStock)

In the latest CDC measles update connected July 17, determination were 34 caller outbreaks reported successful 2026, compared to 48 outbreaks successful 2025. Most cases were associated with section outbreaks, portion immoderate were linked to planetary visitors.

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Both this twelvemonth and past year, 93% of each measles patients were either unvaccinated for measles, mumps and rubella (MMR), oregon had an chartless vaccination status, information shows.

Most cases person occurred successful children and young adults betwixt the ages of 5 and 19. There person been nary deaths reported successful 2026, according to the CDC, but determination were 3 deaths successful 2025.

Most cases person occurred successful children and young adults betwixt the ages of 5 and 19. There person been nary deaths reported successful 2026, according to the CDC, but determination were 3 deaths successful 2025. (Brandon Bell/Getty Images)

The emergence successful cases comes much than 2 decades aft wellness agencies reported that the illness was eliminated successful 2000.

Measles tin beryllium dispersed done nonstop interaction with infectious droplets, oregon tin beryllium airborne erstwhile an infected idiosyncratic breathes, coughs oregon sneezes, according to wellness officials. The microorganism tin stay infectious successful the aerial for up to 2 hours aft an infected idiosyncratic leaves an area.

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Symptoms usually look wrong a week oregon two, and whitethorn see a precocious fever, cough, runny chemoreceptor and red, watery eyes.

A fewer days later, flat, reddish spots look connected the look and past dispersed down the cervix to the remainder of the body. People are astir contagious successful the 4 days earlier and 4 days aft the rash appears.

Community protection

Dr. Marc Siegel, Fox News elder aesculapian analyst, emphasized the highly contagious quality of measles.

"Measles is truthful contagious that up to 90% of susceptible radical who are exposed to an infected idiosyncratic volition go infected," helium told Fox News Digital, noting the value of assemblage protection. "We request a 95% vaccine sum complaint to guarantee herd immunity," helium said.

A paramedic administers a dose of the measles vaccine astatine a wellness halfway successful Lubbock, Texas, connected Feb. 27, 2025. (RONALDO SCHEMIDT/AFP via Getty Images)

The herd immunity threshold is simply a mathematical estimation based connected however contagious a illness is and however efficaciously immunity from vaccination oregon anterior corruption prevents its spread, according to Siegel.

"In this case, two-dose vaccination is astir 100% effective, and earthy immunity aft a measles corruption is mostly lifelong," the doc said. "This isn’t astir idiosyncratic choice, it’s astir assemblage protection. We request to support those who can’t person a unrecorded microorganism vaccine due to the fact that they are immunocompromised oregon pregnant."

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The doc besides cautioned that the U.S. could beryllium astatine hazard of losing its measles elimination status, arsenic the fig and duration of outbreaks suggest sustained section transmission wrong the U.S., alternatively than isolated cases linked lone to planetary travel.

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The CDC recommends that everyone person 2 doses of the MMR vaccine, calling vaccination the champion extortion against measles.

Anyone who is showing measles symptoms oregon deliberation they’ve been exposed should self-isolate and interaction their doc earlier showing up to a aesculapian halfway and infecting others.