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The Arrival of Summer Means the Arrival of Toxic Blue-Green Algae
The Canal and River Trust today launched an urgent appeal advising visitors to the canals through the borough to avoid contact with the water during the hot weather due to a potential bloom of blue-green algae.
Blue-green algae occurs naturally and occasionally blooms, coloring the water green, blue-green or greenish brown and sometimes causing paint-like or jelly-like scums. While a natural occurrence, these blooms can be harmful to the skin, causing allergic reactions including itchy eyes, skin irritation and hay fever-like symptoms.
Ingestion of the algae can lead to respiratory problems, diarrhea and vomiting. In very rare cases there have been respiratory arrests and even deaths.
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