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How is the measles virus transmitted?

Measles is highly contagious and spreads through the air when an infected person coughs or sneezes. It is so contagious that if one person has it, 9 out of 10 people around him or her will also become infected if they are not protected. You can get measles just by being in a room where a person with measles has been, even up to two hours after that person has left. An infected person can spread measles to others even before he or she develops symptoms -- from four days before they develop the measles rash through four days afterward.

Continue Learning about Measles (Rubeola)

Is Getting Measles Really a Big Deal?
Is Getting Measles Really a Big Deal?
Measles isn’t just a rash. It’s not a childhood rite of passage, either. It’s a highly contagious respiratory disease caused by the rubeola virus. The...
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Who is immune to measles and mumps?
Univ. of Nev. School of Medicine, Family MedicineUniv. of Nev. School of Medicine, Family Medicine
You are considered protected from measles if you have written documentation (records) showing at lea...
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5 Must-Know Facts About the Measles
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Get the truth about the disease that’s making headlines. 
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Who Is at Risk for Measles?
Who Is at Risk for Measles?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.