Tapeworms and flatworms, lice and bedbugs, giardia and malaria - these are just some of the common parasites that cause disease among humans, and symptoms that range from mildly irritating to life-threatening. Parasitologist Dr Vinoth Kumarasamy joins Dr George Lee to dive into the world of parasites, how they make their way into the human body, and what we can do to protect ourselves.

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