N-95

The Centre has written to all states and union territories warning against the use of N-95 face masks with valved respirators saying they don't prevent coronavirus transmission. Calling these masks "detrimental", the government has sought measures to contain the coronavirus spread. The letter written by the Director-General of Health Services (DGHS) in the Health Ministry to the principal secretaries of health and medical education of states and UTs states that a widespread "inappropriate use" of N-95 masks was being observed, particularly those having valved respirators, by public other than designated healthcare workers. The DGHS has also referred to its advisory of using homemade protective coverings for…