Grades 1-3 are returning to school for the first time since November 9. Older primary schools, Grades 4-8, have been out of physical schools since October 26.
Officials did reveal an agreement with the Polish government to provide "FCA with the possibility of taking advantage of tax reliefs in the field of (CIT."
Budapest and Warsaw are major recipients of EU budget cash, and the new mechanism was seen as a way by critics to slow a steady slide into authoritarianism in those countries.
Weighing almost 5,400kg, including 2,400kg of explosive, the bomb exploded while Polish navy demolition experts were trying to neutralize it underwater.
The Health Ministry reported 657 new cases and seven deaths, taking the total number of cases since the pandemic began to 45,688 and the death toll to 1,716.
Of the new cases, 227 were in the Silesia region, where there has been an outbreak among coal miners.