Desert Blood Services will conduct a community blood drive in Yucca Valley tomorrow. Blood donations will be taken at Yucca Valley High School, 7600 Sage Avenue, from 8 to 1:45 p.m. Friday, April 19. All prospective donors must be at least 15 years old, should be free of infections or illness, weigh at least 110 pounds, and not be at risk for AIDS or hepatitis. Donors who are 15 or 16 years old must provide written parental consent. To make an appointment to donate blood, call 877-827-4376.