(CNN) Flu activity in the United States declined in the week ending January 11, according to new data from the US Centers for Disease Control and Prevention. It was the second consecutive week that saw a drop.

While it's still too soon to say definitively that the flu season is past its peak, the dips in the past two weeks were dramatic.

Even though flu activity is coming down, "we're still at pretty high levels right now," said Lynnette Brammer, team lead of the CDC's domestic influenza surveillance team.

The virus still remains widespread in nearly every state, with high levels of activity in 32 states.

Despite the overall drop nationally, the latest data shows a strain of virus, influenza A, is increasing. As a result, Brammer said the US could potentially see a second wave of flu infections.

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