Officer-on-Duty

Various N95 respiration masks at a laboratory of 3M, that has been contracted by the US government to produce extra marks in response to the country's novel coronavirus outbreak, in Maplewood, Minnesota, US march 4, 2020/ Reuters
Covid-19 in Bangladesh

PM asks all on-duty govt officials, employees to use masks

The directive came for ensuring the personal protection of the government officials and employees from coronavirus infection