Terlecki, who is a senior parliamentarian with the ruling Law and Justice (PiS) party, said in a media interview on Wednesday that he was feeling good and staying isolated to protect others.
"For now I have no symptoms, just a slight cough," he said.
A day earlier, Terlecki shared a social media post in which he said that he had tested positive for COVID-19 in a routine check conducted after a series of votes in parliament.
Poland on Wednesday reported 24,239 new coronavirus infections and 463 more deaths related to COVID-19, bringing the country's total number of cases during the pandemic to 3,254,875 and fatalities to 79,624.
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Source: PAP