A worker disinfects a bus in Zagreb, Croatia, Nov. 26, 2020. Croatian Prime Minister Andrej Plenkovic on Thursday announced strict new measures to combat the COVID-19 pandemic, as a record high of 4,009 new cases and 51 deaths were recorded in the past 24 hours. (Patrik Macek/Pixsell via Xinhua)

(201126) -- SISAK (CROATIA), Nov. 26, 2020 (Xinhua) -- Doctors tend a COVID-19 patient in the Intensive Care Unit of the General Hospital in Sisak, Croatia, Nov. 26, 2020. Croatian Prime Minister Andrej Plenkovic on Thursday announced strict new measures to combat the COVID-19 pandemic, as a record high of 4,009 new cases and 51 deaths were recorded in the past 24 hours. (Nikola Cutuk/Pixsell via Xinhua)

(201126) -- SISAK (CROATIA), Nov. 26, 2020 (Xinhua) -- A doctor tends COVID-19 patients in the Intensive Care Unit of the General Hospital in Sisak, Croatia, Nov. 26, 2020. Croatian Prime Minister Andrej Plenkovic on Thursday announced strict new measures to combat the COVID-19 pandemic, as a record high of 4,009 new cases and 51 deaths were recorded in the past 24 hours. (Nikola Cutuk/Pixsell via Xinhua)

A worker disinfects a bus in Zagreb, Croatia, Nov. 26, 2020. Croatian Prime Minister Andrej Plenkovic on Thursday announced strict new measures to combat the COVID-19 pandemic, as a record high of 4,009 new cases and 51 deaths were recorded in the past 24 hours. (Patrik Macek/Pixsell via Xinhua)

A cafe owner watches the announcement of new measures against the COVID-19 pandemic in Zagreb, Croatia, Nov. 26, 2020. Croatian Prime Minister Andrej Plenkovic on Thursday announced strict new measures to combat the COVID-19 pandemic, as a record high of 4,009 new cases and 51 deaths were recorded in the past 24 hours. (Robert Anic/Pixsell via Xinhua)