DEWI Hestyawatis cell phone rang more frequently after the health ministry launched an outbreak response immunization (ORI) to overcome diphtheria two weeks ago. Most callers asked how to care for children affected by post-vaccination fever.

Dewi, 53, is better known as Ummu Salamah, which she says is a "missionary name," which means "mother of safety." For almost a decade now vaccine doubters have gone to her for consultation.

Dewi once had an unp