The department's superintendent, Manoj, said thedecision was taken as per instructions of the Indian Councilof Medical Research (ICMR).
He said the micro-biology wing would be sanitisedduring the period of closure.
The technician, who was among three persons who testedpositive on Thursday, has been admitted to the COVID-19 wardin the hospital, Manoj said.
Fresh samples would be sent to the Itki Arogyashala inthe city during the time the RIMS department is shut, headded. PVRRBT RBT