BangkokPostMay 5

A second test found all forty of the newly suspected Covid-19 cases in Yala on Sunday turned out to be false positives, as the Public Health Ministry has decided to run another test at its main lab to leave no room for doubt. Officials are also investigating what went wrong at the Yala lab as controlled test equipment was found to be contaminated. Those cases which were uncovered during comprehensive testing or “active case finding” have attracted attention from both the public and health authorities who were alarmed by the spike in infections. Taweesilp Visanuyothin, spokesman of the Centre for Covid-19 Situation Administration (CCSA), said on Monday the second tests conducted by a lab at the medical science centre in Songkhla came back negative in all 40 cases.

Read more at: https://www.bangkokpost.com/thailand/general/1912532/false-positives-in-40-cases