
Public Health Minister Witthaya Kaewparadai told a press conference that all visitors arriving at Thai airports would be required to be scanned by thermal scanner.
Initially only visitors from affected countries such as US, Canada and Mexico, were required to walk past the scanners.
All the visitors will be asked to answer questionnaire whether they had visited the affected countries or not.
Before only the visitors whose scan test showed they have fever were asked to fill the questionnaire.