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Toxoplasma gondii

A mind-altering parasite

Infection with Toxoplasma gondii is common. Immunologist Sheena Cruickshank tells us why, and describes the symptoms it causes and its surprising effects on host behaviour

Figure 1 Toxoplasma gondii life cycle

A parasite is an organism that lives in or on another organism — its host — and gains benefit from the host without necessarily giving anything back. Parasitism is very common and most animals will be parasitised at some stage in their life, if not throughout their whole life.

Infection

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Does size matter?

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How are you feeling?: touch signals and touch receptors

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