How to Spot the Measles

They're getting ready to pack their bags and head to camp. But as kids prepare to share close quarters, there's something parents should know: The United States is facing its largest measles outbreak in seven years -- and measles spreads fast.

After someone with measles coughs or sneezes, the virus lingers for up to two hours after that person walks away.

"The thing about measles is that it's extremely contagious," said Anne Schuchat, director of the Center for Disease Control and Prevention's National Center for Immunization and Respiratory Diseases. "Somebody could get measles without ever having been in the office at the same time as the first child."

The CDC Thursday announced a series of measles outbreaks between January and April 25 that resulted in 64 measles cases in the United States -- the highest number reported in the same time period since 2001. Officials blame a spike in the number of travelers bringing measles in from Israel and Europe. Once in the United States, measles has been able to take hold because more and more people are choosing not to get vaccinated, Schuchat said.

Eleven of the U.S. residents who contracted measles were between the ages of 5 and 19 years old.

"My suggestion would be that summer camps oblige all foreign students to be immunized," said Dr. William Schaffner, chairman of the department of preventive medicine at Vanderbilt University's School of Medicine in Tennessee.

As for American students spending the summer away from home? "Clearly they ought to have their immunization status completely reviewed," he said.

What to Look For

A rash, high fever, runny nose, cough and red, watery eyes are all symptoms of the measles, according to the CDC.

But for parents and camp counselors, that could look a lot like other problems as well.

Fortunately, Schnaffer said there are other distinguishing symptoms, including a "very, very characteristic" rash that starts on a person's trunk and spreads to the limbs, face and the neck. Upon closer observation, doctors also see tiny white spots on the inside of the infected person's mouth.

"It looks as though somebody had just put some salt on the inside of the cheek," Schaffner said.

Still, most doctors, let alone camp staff, aren't nearly as familiar with measles as previous generations were.

"You have to go to somebody with some gray hair who's seen a case of measles," Schaffner said.

At Camp Lakota in New York's Catskill Mountains, camp director Carol Hager said all campers and staff are required to have the vaccine for measles. Between 300 and 350 campers, ages 5 to 17, will attend Camp Lakota this summer. Although Hager said they have kept their eyes on the virus for years, this year, "we're much more aware of it and we're much more cautious."

Hager said the camp nurses will likely give a talk to staff at orientation about what to look out for when it comes to measles. New York is one of four states in which the CDC said a measles outbreak is ongoing.

Measles can spread to other people as early as four days before someone gets a rash and as late as four days after it becomes apparent, according to the CDC.

One in 10 kids who get measles then get an ear infection, and severe cases can lead to pneumonia.

How to Prevent Getting Measles

Getting vaccinated is the most surefire way to prevent catching the disease, as the CDC reports that the vaccine is 99 percent effective.

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