TN health dept issues notice to Medall labs for certifying Covid negative cases as positive cases in ICMR portal.

Around 4000 samples which tested -ve for Covid were uploaded as +ve on May 19 & 20.

Also, samples received from Kolkata were uploaded as samples from Kallakurichi. pic.twitter.com/nT64mCkiBR

— Shilpa (@Shilpa1308) May 21, 2021