NBC News quotes a "reliable source" for this information.
Despite regular testing, Prime Minister James Marape said has not tested positive for the deadly virus.
Marape told NBC News that is frequently tested for Covid-19 and remained negative. He said this in response to speculation that he had contracted the virus.
''I do my regular test all the time, and I know am not positive, but if I do, I will advise accordingly. And to be comfortable, this morning I did my test, so will let you know the result,'' said Marape at the weekend.
Meanwhile, Papua New Guinea reported 59 new cases of Covid-19 at the weekend, which increased the country's total cases to 1029.
The latest cases were reported in Western Province, West Sepik and in the National Capital District.
Of the 47 total cases reported in Western Province, 37 are male, nine female and one unknown. The youngest of the 47 cases was 11-year-old while the oldest was 53.
Forty-three of the 47 cases showed symptoms of the virus while four did not show symptoms at the time of testing. They were all detected by the Ok Tedi mine through testing at the entry point into Tabubil.
In West Sepik, nine cases were reported of which seven are men and two women, ages ranging from 18 to 65 years. Eight out of the nine cases did not show symptoms at the time of testing. All nine are from the Vanimo Green electorate.
In the NCD, three cases were reported. All cases are men, aged between 47 and 61 years. All three cases returned from a recent trip to Madang, Morobe and New Ireland provinces. As of February 19, the country's positive cases number 1029 and the death toll remains at 10.
A total of 47,490 people have tested and 846 have recovered while 380 samples are still in the laboratories and 164 cases are in isolation.
Seventeen provinces, including Bougainville, have reported cases. The distribution of the cases is NCD (386), Western Province (280), West New Britain (194), East New Britain (34), Madang (34), West Sepik (25), New Ireland (22), Eastern Highlands (13), Central (11), Western Highlands (10), Morobe (9), East Sepik (3), Enga (3), Milne Bay (2), Bougainville (1), Hela Province (1) and Southern Highlands (1).