She said there was a somber mood on the ground.
About 98 percent, or 176,928 people, voted for independence.
Another 16 children remain critically ill.
The Prime Minister said Samoa has learned a "painful lesson".
The total death toll is 65.
Sixy-two people have died from the disease so far.
Despite the death toll hitting 62, apprehension and resistance to the campaign continues.
The situation in the Pacific nation is dire.
The 'closure period' will last for most of the day.