NEW DELHI : Offices can now resume work after proper disinfection in case covid-19 cases are reported, without closing or sealing the premises, according to fresh guidelines issued by the union health ministry.In the standard operating procedures (SOP) on preventive measures to contain spread of covid-19 in offices, the health ministry said, “In case of one or two covid-19 cases reported in offices, the disinfection procedure will be limited to places/areas occupied and visited by the patient in past 48 hours and work can be resumed after disinfection as per laid down protocol."If larger number of cases are reported at the workplace, the whole block or building should be disinfected, the guidelines read.The government has said offices in.