Thailand has reached 27 days without domestic cases.
A returnee from South Africa tested positive in state quarantine.
As of June 21, the total number of confirmed cases in the country stood at 3,148 (2,444 domestic cases and 211 imported) -- 72 are under treatment, 3,018 have recovered and been discharged, and there have been 58 deaths.
Globally, the total number of confirmed cases has risen to around 8.9 million, up by 158,000; 4.7 million have recovered while deaths have exceeded 460,000.