The case of a COVID-19 infected Japanese passenger, who returned from Thailand to Japan is being investigated by the Department of Disease Control. The Ministry of Public Health has clarified that it has already contacted the Japanese Medical authority to determine the origin of the infection
Doctor Suwanchai Wattanaying- charoenchai, Director-General of the Department of Disease Control, said initially, that two cases were related to Japan. First, a Thai man who returned to his hometown in Chiang Rai to attend the annual conscription call up, then returned to Japan on 1st August and underwent a lab test. The result was positive and he is now in state quarantine. After Chiang Rai was informed of the man’s infection, disease control teams went to test his recent contacts, all of whom tested negative.
The second case is a 47-year-old Japanese man who returned from Thailand on 8th August and was tested positive at Haneda Airport. Thailand’s Ministry of Public Health has already made contact and requested more information from the Japanese authority, while disease control teams are now locating his previous contacts in Thailand.
However, the testing procedure used in both cases is a new method that tests a sample of saliva, a test method that the World Health Organization has not yet approved. Thailand’s current method is a swab test of the person’s nostrils, which then uses RT PCR which is a worldwide method. (NNT)
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