Dr Daoni Esorom said the surge, which was mostly of the Omicron variant, began in September, Radio New Zealand Pacific reported.
He said 192 cases had been reported in the last seven days; 54 of these were vaccinated and 138 were not.
"From the provinces that are reporting, we are seeing an increase in the number of recorded cases," he said.
"People must know that Covid-19 has not been eradicated yet. It is still a pandemic of concern in the country and around the world."
Dr Esoram said the surge, which started in September, will go through until February because of the festive season.
He urged people not to neglect the new normal or niupela pasin, and comply with the control measures such as wearing of masks, washing of hands and avoiding crowded places.
Meanwhile, the Fiji Health Ministry has reported 102 new cases of covid since its previous update on December 1. It also reported 10 reinfections.
Of the 102 new cases recorded, 70 were recorded in the Central Division, and 32 were in the Western Division. No-one was in hospital as a direct result of Covid-19.
However, 24 patients admitted to hospital for other diseases had tested covid positive.
In Niue, there were three new cases of Covid-19, taking the total number of active cases to 55.
The official figures on the government's Covid-19 website have the total number of cases recorded since the virus entered the country, via air from New Zealand, was around 187.
Niue is in its second week of recording community transmission of the virus.