General techniques of sample collection, isolation, identification of known and unknown infectious agents will be included in laboratory sessions. Additional times of observations beyond the listed laboratory hours are required for certain units. This course is designed for students officially enrolled in the HNU/ Samuel Merritt Nursing Preparation Program. If space allows, other interested students may enroll with the permission of the Chair of Mathematics and Science. Laboratory: 4 hours. Prerequisites: Concurrent enrollment in BIOL 20 and successful completion of prerequisites for BIOL 20.