The ICMR lab at the ICMR-NITM campus has been closed for as three women working in the Canteen have tested positive.
The three women who used to work at the canteen were shifted to the COVID care centre.
Already 13 persons from the ICMR campus have tested positive.
The lab which tests 800-100 samples a day is now shut and most likely to commence work from Monday.
Around 180 persons have had breakfast in the canteen where the three women in question were serving.