The Czech Republic has registered the biggest day-to-day increase in the new confirmed cases of COVID-19.
The Health Ministry says a record 650 people tested positive on Wednesday, up from 504 on Tuesday.
Health Minister Adam Vojtech says new restrictions are likely to be imposed.
Vojtech is currently quarantined after a senior official in his department tested positive for COVID-19.
The Czech Republic has had 25,773 confirmed infections with 425 deaths.