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dog (or other animal) feces and are transferred to the ground and to beach sand, where they develop over a period of 1-2 weeks into an infectious larval form (filariform larvae). The filariform larvae can burrow through intact skin which comes into contact with soil or sand that is contaminated with feces. Although they are able to infect the deeper tissues of other animals (through to the lungs and then the intestinal tract), humans are incidental hosts and the larvae are only able to penetrate the

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