The new cases were quarantined Thais returning from Saudi Arabia and India, said Panprapa Yongtrakul, a spokeswoman for the government's COVID-19 Administration Centre.
The benchmark Nikkei 225 index fell 0.45 percent, or 100.30 points, to 22,355.46, while the broader Topix index slipped 0.25 percent, or 4.00 points, to 1,583.09.
Masks will still be mandatory in shops and on public transport in Prague where city hall has been paralysed after a deputy mayor tested positive for COVID-19.
At an opening up of mining to the private sector titled "Unleashing Coal", Modi said he wanted India, with the world's fourth largest coal reserves, to be a net exporter of coal.
Going by recent case numbers, June 13 was the peak of the current outbreak, Wu told a regular news conference a day after new confirmed cases fell to 21, from 31 the previous day.
The framework to ensure "fair and equitable access" would give priority to three group: frontline workers such as medics and the police, vulnerable people over 65 years old or at higher risk due to illness.
In the latest monthly report by the Organization of Petroleum Exporting Countries, data showed that the cartel's 13 member states throttled output by 6.2 million barrels per day (bpd) last month.
The authorities in Penza region east of Moscow where the device was made boasted that it "ensured the safety of the head of government and all those who visit him."