Measles can be spread by an infected person who coughs or sneezes. The droplets can remain suspended in the air for up to two hours.
Measles starts with a fever, runny nose, cough, red eyes, and sore throat, followed by a rash that spreads all over the body.
Once infected with the measles, a person is infectious for four days before and four days after the appearance of a rash.
One in 1000 thousand people infected by the Measles die.
In the United States, widespread use of the measles vaccine has let to a greater than 99% reduction in measles cases.
Recently, a wealth of misinformation has led to parents choosing not to vaccinate their children. This resulted in an outbreak of the Measles when un-vaccinated children were infected by international travelers that were infected with the Measles.