Entry is allowed without restrictions to residents of Ukraine. According to the list of the Ministry of Health of Ukraine, Bulgaria is been included in the "red" list of countries. This means that citizens of Ukraine and foreigners who return or travel to Ukraine from Bulgaria must undergo a mandatory 14-day observation or self-isolation. Self-isolation is carried out on the basis of the «Дій вдома» app. Observation or self-isolation is terminated in the case of a negative test result for COVID-19 by PCR, carried out upon arrival in Ukraine, or no more than 48 hours before entering Ukraine.