Stanford's Dr. Keith Van Haren says about 20 cases have been identified in California in the past year and a half and they're the only ones in the U.S.
Van Haren says the five cases he studied had been vaccinated against polio. He plans to talk to the media about the illness Monday evening from Lucille Packard Children's Hospital at Stanford.
Dr. Jane Seward of the Centers for Disease Control and Prevention cautions that the research is still underway in California, and there are a variety of infectious diseases that can cause childhood paralysis.
(AP) - California Insurance Commissioner Dave Jones says he has "some significant skepticism" about the benefits of Anthem Inc.'s proposed acquisition of rival insurer Cigna Corp.
(AP) - California's inspector general is giving a failing grade to medical care at a fourth prison as the state tries to regain responsibility after a decade of federal control.
(AP) - A new government report on health insurance has implications for the presidential campaign.
(AP) - Covered California says more than 425,000 people signed up for private health insurance coverage during the third enrollment period under President Barack Obama's health care law.
State Controller Betty Yee says California's unfunded liability for retiree health and dental benefits has grown to $74 billion.