But if you only had one measles vaccine as a child and are in a high-risk transmission setting - that means college students, healthcare personnel, worldwide travelers and people who live in a neighborhood or community that is experiencing a measles outbreak - you should get a second vaccine, according to the Centers for Disease Control and Prevention.
There have been 3,789 cases of measles across the continent during the first three months of this year according to the European Centre for Disease Prevention and Control. It was reported that unvaccinated residents returning to the US from places such as Israel, Ukraine and the Philippines, where a large number of measles cases are occurring, caused the majority of the outbreaks in the country. A case in point: New York state has reported 606 cases of measles in 2019, with New York City and Rockland County epicenters of disease. The numbers of cases occurring in USA residents is also high, at 98%.
The US is amid the country's worst outbreak of the disease in a quarter century, striking 880 people.
However, Dr Esper notes that tests of the MMR vaccine found that it is effective against the strain now sweeping the US.
One dose of MMR vaccine is approximately 93 percent effective at preventing measles, while two doses are approximately 97 percent effective.
For both adults and children, completing the recommended two doses of the measles, mumps, rubella (MMR) vaccine is the best protection against measles.More news: Free agent defensive tackle Gerald McCoy to visit Cleveland Browns on Friday
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The UK comes third in a global ranking showing the number of unvaccinated children in high-income countries.
Tarrant County Public Health is warning travelers who were in the Dallas-Fort Worth worldwide Airport on May 15 that they may have been exposed to measles.
Note: those born between 1957 and 1989 may have had only one dose of MMR vaccine and should receive a second dose. In addition, more than 500,000 British children have not been vaccinated largely because parents believe "antivaxx" scare stories. "By taking up the MMR vaccine parents and young people can prevent more cases and I would urge everybody to do so".
"Even one child missing their vaccine is one too many - if you are in any doubt about your child's vaccination status, ask your GP as it's never too late to get protected". "The top countries ordered by risk (of spreading measles) posed are: India, China, Mexico, Japan, Ukraine, Philippines, and Thailand", the paper states. The length of time from exposure to the onset of symptoms is typically 10-14 days, but can be as long as 21 days.
Experts warn that the outbreak is not over as the number of cases approaches the 1994 total of 958. Several days into the illness, a red, raised and blotchy rash appears.