Austria’s government on Wednesday said it is issuing travel warnings for Romania, Moldova and Bulgaria due to an increased number of coronavirus infections in these countries and clusters in Austria involving people arriving from the region.

“Anyone who travels to these countries despite a travel warning has to go into a 14-day home quarantine after returning to Austria, or show a negative Covid test,” Chancellor Sebastian Kurz and foreign affairs minister Alexander Schallenberg told a news conference broadcast on social media.

Checks at the Hungarian and Slovenian borders will also be increased, they added.

With a population of 19 million, Romania has so far confirmed 30, 175 cases and 1,817 deaths due to the new coronavirus. There were a record 555 new cases reported on Wednesday.

On Tuesday, Romania’s foreign ministry said 99 Romanians had tested positive for the novel coronavirus in the northern Austrian city of Linz.

Moldova which has a population of 3.5 million has confirmed 18,141 cases and 603 deaths.

Bulgaria has reported 6,102 cases and 254 deaths.