File picture The National Biosecurity Committee, headed by the Ministry of Climate Change and Environment (MOCCAE), has released a new guide on the proper use of protective COVID-19 masks and clothing. The Committee developed the "Unified National Guide for Personal Protective Equipment for Diseases and Pandemics" in cooperation with the Ministry of Health and Prevention, the Dubai Health Authority (DHA), and the Department of Health – Abu Dhabi (DoH). It describes the characteristics and protection levels of various types of masks including medical, surgical, paper, and cloth. In addition, it lists examples of activities during which people must wear masks, such as going to a store, pharmacy, or hospital, visiting a park with friends or relatives who do not live in the same household, taking public transportation, or walking in a high-density public area.