DES MOINES (KWWL) -- Peak flu season in Iowa may still be a month away.
Health officials say the state should see an increase in flu cases soon.
The big difference this year, is that all three flu strains: A, B and H1N1 are circulating at once, which is rare.
It's even possible for someone to catch all three strains in one season.
As always, health officials remind everyone to get a flu shot.
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