Taking precautions: Healthcare workers attending to Klong Toey community residents during a mass testing initiative in Bangkok. — AFP
Medical authorities have sought to allay public fears about the accuracy of Covid-19 testing after 40 results delivered by a Yala laboratory last week were found to be false positives.
Dr Opas Karnkawinpong, director-general of the Department of Medical Sciences under the Health Ministry, explained that the control samples of pure water used at the Yala lab had tested positive rather than negative, indicating a problem had occurred in the process.
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