Thailand will reinstate its mandatory Covid-19 quarantine for foreign visitors and scrap a quarantine waiver due to concerns over the spread of the Omicron variant of the coronavirus, Reuters reports.

The decision to halt Thailand's "Test and Go" waiver means visitors will have to undergo hotel quarantine, which ranges between seven to 10 days.

Meanwhile, a so-called "sandbox" programme, which requires visitors to remain in a specific location but allows them free movement outside of their accommodation, will also be suspended in all places except for the tourist resort island of Phuket.