"Health officials have issued a warning about a possible measles exposure in San Francisco.

The warning comes after an adult from Santa Clara County visited several locations in the city while contagious with the virus. San Francisco Department of Public Health officials said there is no measles outbreak and the risk to the general public is low."

nbcbayarea.com/news/local/Possible-Measles-Exposure-in-San-Francisco-508331891.html