In efforts to prevent even broader spread, public health officials in Texas, New Mexico and Oklahoma are working around the clock to raise vaccination rates and otherwise help protect vulnerable communities – work that is challenged by the spread of disinformation.

The health departments from all Bay Area counties urged people to get vaccinated against measles because of rising cases across the country.

Bay Area health officials came together Friday to urge residents in the region to get a measles vaccination if they never received one or if they avoided the disease as a child. In a statement, the Association of Health Officials said it was making the recommendation because measles cases are rising in the United States.