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Table 2 Examples of microbial and chemical contaminants found in oceans that pose health risks to humans, possible sources of the contaminants, and typical symptoms or the disease induced by exposure to the contaminant.

From: Linking the oceans to public health: current efforts and future directions

Contaminant

Possible source

Symptoms or disease

Vibrio cholera

Human sanitary waste

Cholera

Norwalk Virus

Human sanitary waste

Gastroenteritis

Mercury

Burning coal, industrial use

Neurodevelopmental toxicity, adult toxicity

Persistent organic pollutants

Industrial waste

Immunologic, cancer, reproductive