Layer 1: Environmental and Hand Hygiene: The continued importance of diligent hand washing and sanitization. Ventilation: Why fresh airflow is a non-negotiable factor indoors. Routine surface cleaning in high-traffic areas. Layer 2: Immune System Support: Nutrition and Hydration: Fueling the body's natural defenses. Sleep and Stress Management: The profound impact on immune resp... https://shop-enovid.com/#shipping