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All COVID-19 cases were treated in hospitals, and the country has had zero reported COVID-19 deaths. This article describes how the concept of GNH provided the framework for the government to respond to this pandemic.In recent years, nanoparticles have become a fashionable subject of research due to their sizes, shapes, and unique intrinsic physicochemical properties. In particular for the last 5 years, nano-Se has received tremendous attention in terms of its production, characteristic, and possible application for poultry/animal sci