Public health officials are again warning travelers who flew in and out of Los Angeles International Airport of possible measles exposure after another traveler contracted the disease.
Travelers who were at the airport on April 3 could be at risk for developing measles, which can be present up to 21 days after exposure, health officials said.
The person with measles traveled through gate 70A in terminal 7 between 10 a.m. and 12:30 p.m. that day. Between 7 p.m. and 10:40 p.m., the individual visited the B Grill by BOA Steakhouse at terminal 7 departures and gate 81, terminal 8.
There is no known risk at the areas at this time, officials said.
It's the third time in two months that public health officials are warning travelers of possible measles exposure at the airport, Los Angeles-based KTLA-TV reports. The Los Angeles County Department of Public Health said it's the fourth nonresident case of measles in LA County the department has investigated this year.
"This underscores the importance for those who are not immunized against measles to get the measles immunization," Los Angeles County Health Officer Muntu Davis said in a statement.
Measles is so contagious that 90% of unvaccinated people who come in contact with an infected person will get the virus, according to the Centers for Disease Control and Prevention. The measles two-dose vaccine is 97% effective against the virus, according to the CDC.
Symptoms include a red spotted rash that starts inside the mouth and spreads all over the body, fevers as high as 104 degrees, a cough, runny nose and red, watery eyes.
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This article originally appeared on USA TODAY: LAX travelers again warned of measles and urged to get vaccinated, after third case hits airport