This document provides guidelines for sample collection at the SARI Isolation and Treatment Center laboratory department. It outlines the necessary steps for collecting different biological samples, including checking the doctor's advice, using the correct collection containers and tubes, and storing and transporting samples properly. Safety guidelines are also presented. The normal reporting times are samples collected from 8 am to 5 pm being reported by 8 pm, and those from 5 pm to 8 am being reported by 12 pm. STAT cases will be reported within 3 hours of collection.