ATEHNS — Greek Prime Minister Kyriakos Mitsotakis on Thursday announced new measures aimed at containing a record spike in coronavirus infections, Kathimerini reported.

The use of masks outdoors will become mandatory, Mitsotakis said in a televised address.

Meanwhile, authorities will impose a curfew from 12.30 a.m. until 5 a.m. in regions that belong to risk levels three and four in the four-tier system.

The new measures will come into effect on Saturday at 6 a.m.

Health authorities announced 882 new coronavirus cases on Thursday, as well as 15 new deaths.

Continuing a rising trend in coronavirus infections, Greece confirmed 882 new cases on Thursday, of which 99 are linked to known clusters and 52 were identified at the country's entry points, the National Public Health Organization (EODY) said.

Total infections since the first case total 28,216, of which 3,728 relate to travel abroad and 11,032 to already confirmed cases.

A total of 90 patients are intubated. Their median age is 66 years, 92.2 percent have an underlying condition or are aged 70 or more, and 32 of them are women. Another 265 patients have been discharged from ICUs since the start of the pandemic.

EODY also registered 15 deaths, bringing fatalities to 549 in total. Of the latter, their median age was 79 years and 96.2 pct had an underlying condition and/or were 70 years or older. Of all the deceased, 205 were women.

In terms of distribution in Greece, the regions of Athens and Thessaloniki continued to lead in numbers of infections (290 and 188, respectively) on Thursday, while high concentrations were also noted in the following metropolitan regions: Serres (65), Larissa (40), Ioannina (23), Lesvos island (17), and Kastoria (15). Iraklio (Crete), Kozani and Rodopi (both in northern Greece), each registered 10 cases on Thursday.