4 new cases of measles in California

SACRAMENTO, Calif. (KGO) -- The California Department of Public Health reports four new cases of measles, as well as new strains of the disease.

There are now 126 confirmed cases of measles in California, since the outbreak started in December 2014. More than half the cases are adults over the age of 20.

In the Bay Area, there have been 16 cases reported.

VIDEO: Why measles is the most contagious of all viruses

Why measles is the most contagious of all viruses

For detailed information from the CDC on measles, click here.

And click here for full coverage on the measles outbreak.