This follows the report of 12 new domestic cases of the virus, which were reportedly related to a 67-year-old woman in Samut Sakhon province, who tested positive for Covid-19 on December 18. The woman ran a seafood shop in a prawn market in Mahachai subdistrict.
He added that the organisation had already sent a letter to staffers at piers to strictly follow the measures of preventing the communicable diseases, including the Covid-19 virus.
The organisation would also work closely on the matter with other state agencies, he added.