Boston health authorities are putting their best effort in averting a potential measles outbreak, after a worker at the French consulate was diagnosed with the illness.

The most common symptoms of measles are rash, cough, fever, and runny nose. Measles spreads via contact with droplets from the nose, mouth, or throat of an infected person. Symptoms of measles show up in about 8-12 days following exposure to the virus.
Source-Medindia