Volume 6-Issue 2-1999 Mayonnaise strikes again, and again, and again, salmonellosis from three consecutive meals in one restaurant Reports from the regions: Measles reported from peripheral hospitals, Riyadh region, 1997 - TEPHINET to coordinate activities of Epi training Reports from the regions: Typhoid and paratyphoid in Riyadh peripheral hospitals, 1997-98 Drowning deaths in a desert area following unusually heavy rains