The country has been free of new local infections of Covid-19 for 23 days, However, academics say the ideal infection-free period is twice the 14-day period, which is 28 days. Despite there being no new cases, the government spokesman warned that the government still needed public cooperation in using the Thaichana check-in and checkout app, which would help quickly trace patients if infection recurs.
Source: https://www.bangkokpost.com/thailand/general/1936440/no-local-covid-infection-for-23-days