1. Hand Washing: Use soap and water to wash hands thoroughly for at least 20 seconds, especially after handling specimens, chemicals, or equipment. 2. Hand Sanitizers: Use alcohol-based hand sanitizers when soap and water are not available. Ensure the sanitizer contains at least 60% alcohol. 3. Glove Use: Wear appropriate gloves when handling specimens, chemicals, or any potentially contaminated items. Change gloves between tasks and dispose of them properly. 4. Avoid Touching Face: Refrain from touching your face, especially the eyes, nose, and mouth, to minimize the risk of transferring contaminants.