DETROIT – The number of confirmed cases of metros in Metro Detroit is still 41, but the number is expected to increase as more cases are confirmed.
Local 4's Dr. Frank McGeorge is closely following developments to the most common questions.
The number of possible exposure locations and steadily increasing case counts has people concerned.
Many people want to know whether they are already protected because of their age or documented history of vaccinations.
People born before 1
Anyone older than 62 who is concerned about measles can have their measles immunity level checked by a blood test or can get the MMR vaccine.
The next age group of special note was born between 1957 and 1989. The first measles vaccine was introduced in 1963, but generally one dose was administered.
People between 30 and 61 years old who only received one dose of vaccine are considered to be immunized, but with only one dose there is about a 7 percent chance someone is not protected. Anyone in this group who might have been exposed or is concerned about measles should get a second MMR vaccine.
The second measles vaccine is often incorrectly called a "booster," but that's not accurate. One dose of measles vaccine induces a response 94 percent of the time. The second dose produces protection 97 percent of the time.
The second dose is essentially to catch the people who didn't respond the first time.
After 1989, two doses of the vaccine became routine practice. As long as people under 30 years of age are vaccinated, they are considered protected.
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