Dr. Austin Zygmunt, one of Nova Scotia's regional medical officers of health, spoke with guest host Preston Mulligan as investigations into a suspected blue-green algae bloom in Grand Lake continue.

Why blue-green algae can be dangerous to humans

<p>A vibrant blend of top news stories, local weather, traffic reports, comedy, local music, and interviews about politics, science and culture. Tune into Mainstreet on weekdays from 3 to 6 p.m. Add your voice by calling us at 1-888-686-MAIN (6246) or e-mail mainhfx@cbc.ca.</p>

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A vibrant blend of top news stories, local weather, traffic reports, comedy, local music, and interviews about politics, science and culture. Tune into Mainstreet on weekdays from 3 to 6 p.m. Add your voice by calling us at 1-888-686-MAIN (6246) or e-mail mainhfx@cbc.ca.

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Why blue-green algae can be dangerous to humans

Why blue-green algae can be dangerous to humans

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