The five cases were identified in Southern California and involved people who had traveled to Tecate, Baja California, in the previous two weeks.

The Center for Disease Control and Prevention this week warned of a deadly disease that is linked to ticks. The illness has taken hundreds of lives in the span of five years

The Centers for Disease Control and Prevention has issued an alert for Rocky Mountain Spotted Fever after at least five U.S. residents have contracted the disease since July following travels to Mexico.

RMSF is "endemic" in border states in northern Mexico and areas of the southwestern United States, the CDC said.

The Centers for Disease Control (CDC) issued a travel advisory for Mexico Friday, citing “reports” of Rocky Mountain spotted fever. “There have been reports of Rocky Mountain spotted fever (RMSF) in people traveling to the United States from Tecate,

Three people have died and two people have been hospitalized following an outbreak of Rocky Mountain spotted fever.