Red tide has now shut down harvesting in an area near Harpswell from Dickson Point to West Cundy Point. Shellfishermen say they hope the shutdown doesn't spread like it did last year.
"We're all worried," John Lyon, a clam digger, told WCSH-TV. "We don't want another year like last year."
Toxic algae bloom, or red tide, infects shellfish and can make people sick if they eat infected products. State officials say shellfish for sale does not have red tide and is safe.
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