COVID-19 Response Minister Chris Hipkins has tested positive for COVID.
Hipkins was already in isolation after one of his children tested positive for the virus last week.
He revealed his positive Rapid Antigen Test results on Twitter on Wednesday.
"The faint line seems out of keeping with how I currently feel! Day 7 of isolation and now it’s my turn. So I’ll be clocking off for another 7 days. Take care out there everyone," he said.
COVID-19 cases and household contacts have to isolate for 7 days after the Government reduced it from 10.
Household contacts will still need to have a rapid antigen test (RAT) at day three and day seven of their isolation period. If they become symptomatic they should also get a test, and if the result is positive, they are required to be isolated for seven days from that point.
If a person is isolating and still has symptoms after seven days, they are advised to stay home until 24 hours after symptoms resolve.
Last week Hipkins said he was isolating at home after his child caught the virus. The MP revealed he was considered a close contact while discussing the pros and cons of at-home learning in a Health Select Committee briefing.
"I say this sitting at home today with a child who is now at home after testing positive last night for COVID-19, so I will be at home for the next seven days," he said at the time.
Hipkins isn't the first MP to be impacted by the Omicron outbreak. Earlier this month National leader Christopher Luxon and MP Simon Bridges tested positive for the virus.
Police Minister Poto Williams, Attorney-General David Parker and Labour MP Anahila Kanongataá-Suisuiki also tested positive.
Māori Party co-leader Rawiri Waititi is also in isolation after his family caught the virus.