The first measles case since 2015 has been confirmed in Tarrant County as of March 21.

Officials said this case of measles is not related to any other measles case in North Texas.

"This person recently traveled out of country to an area experiencing an increase in measles cases," said Vinny Taneja, director of Tarrant County Public Health, in a news release. "We are always concerned about the health of any resident who travels and returns to Tarrant County and shortly afterward develops signs or symptoms of a disease."

Texas has seen the highest number of confirmed measles cases since 2013, according to Texas Department of State Health Services data.

Measles is a highly contagious respiratory infection that is transferred to others through airborne droplets spread through coughing and sneezing. These droplets may remain in the air for up to two hours after an infected person has left an area, the news statement said.

Anyone exhibiting signs of measles should contact a health care provider immediately, the statement said. Symptoms include a red rash that starts as spots on the face and moves down the body, a fever over 101 degrees, a cough, runny nose and irritated eyes.

In the statement, TCPH issued a reminder that measles is a vaccine-preventable disease and that adults who have received a measles vaccine series are considered immune.

"Those who have not been immunized against measles, or have never had measles, should contact their health care provider," the statement said. "Residents considering foreign travel should always check their health status beforehand."

For more information about measles, click here.

"We are grateful for the cooperation we're receiving from everyone involved in this case and feel confident the public is safe," Taneja said.