The potential exposure comes as the number of confirmed cases in the United States continues to rise, with 704 cases this year as of April 26, according to the Centers for Disease Control and Prevention.
Measles symptoms include high fever, cough, runny nose, red watery eyes, or a rash.
Measles can be serious, and there is no treatment or cure.
Before traveling to a country with ongoing measles outbreaks, infants from 6 to 11 months old should receive one dose of the vaccine.
"Most importantly, get your measles-mumps-rubella (MMR) vaccine as soon as possible if you haven't already done so", she said.
Merck & Co announced this week it's increased MMR production for anyone who needs the vaccine, CNBC reports. As a result, anyone vaccinated against measles since 1989 should have received two doses of the MMR vaccine.
If you suspect you may have the measles, the CDC recommends you call your doctor immediately. "This recommendation is meant to protect those who may have received killed measles vaccine, which was available in 1963-1967 and was not effective", the agency noted on its website.
"Two doses of measles vaccine are about 97 percent effective in preventing measles", said state epidemiologist Dr. Christina Tan.
Andrew Pavia, chief of the division of pediatric infectious disease at University of Utah Health, said he's often asked, "What's the big deal?" about measles because it's just "a childhood disease". "These are good parents. but I think maybe it has somewhat to do with social media and the way people get their information".
People traveling internationally should receive their vaccines at least two weeks before departure, but even if their trip is less than two weeks away, they should still get a vaccine dose.
Teenagers and adults who do not have evidence of immunity against measles should get two doses of MMR vaccine separated by at least 28 days. "So, again, we're encouraging parents to get their kids vaccinated".
Yes, but it's rare.
The man may have been contagious when he visited two Pittsburgh grocery stores, according to a Tuesday news release from officials at the Allegheny County Health Department. Those who were vaccinated before 1968 with inactivated measles vaccine or measles vaccine of unknown type, in particular, should receive at least one dose of live attenuated vaccine. People can become sick from mucus or saliva from an infected person.
"Anyone born before 1957 can be presumed immune and won't need to be vaccinated", he said, adding that for individuals who are unsure of their vaccination status, getting a second inoculation poses no danger.
Measles spread through the air when someone infected either coughs or sneezes.
Measles typically begins with a high fever (101°F or higher), and several days later a characteristic rash appears on the face and then spreads over the body.