Eradication of Taenia solium cysticercosis: A role for vaccination of pigs
2010
Lightowlers, Marshall W.
Taenia solium is the causative agent of neurocysticercosis, a disease responsible for substantial human morbidity and mortality. It is a zoonotic parasite, involving pigs as intermediate hosts. The parasite's full life cycle is restricted to poor people in developing countries. Attempts to date to control transmission of the parasite have been relatively poorly effective and not sustainable. Over the past decade research has been undertaken to develop practical vaccines for use in pigs to prevent transmission of T. solium. The most effective of these vaccines in controlled experimental trials has been the TSOL18 vaccine. More recently, TSOL18 has been proven to be highly effective against naturally acquired infection with T. solium in pigs. Application of TSOL18 together with a single treatment of pigs with oxfendazole achieved the complete elimination of transmission of the parasite by pigs involved in the field trial. This strategy may provide a relatively low cost and sustainable control tool which could assist towards the goal of achieving eradication of the parasite. An assessment is made of the potential value of various control measures that are available for T. solium, and two options are suggested as potential parasite control programs.
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