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Centers for Disease Control and Prevention, Emerging Infectious Diseases, 7(17), p. 1263-1265

DOI: 10.3201/eid1707.101204

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Visceral Larva Migrans in Immigrants from Latin America

Journal article published in 2011 by Ana Perez de Ayala, Ana Pérez de Ayala ORCID, Ana Pérez De Ayala, Francesca Norman, Miriam Navarro, José-Antonio Pérez-Molina, Mercedes Rodriquez-Ferrer, Maria-Carmen Turrientes, Teresa Gárate, Rogelio López-Vélez
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

To determine whether increased migration is associated with an increase in incidence of toxocariasis (visceral larva migrans), we analyzed clinical data obtained from immigrants from Latin America. Although infection with Toxocara sp. roundworm larvae is distributed worldwide, seroprevalence is highest in tropical and subtropical areas. Human toxocariasis is a zoonosis caused by the larvae of Toxocara sp. roundworms. Although distribution is worldwide, seroprevalence is highest in tropical countries, including in Latin America. Immigration from tropical areas to Europe continues to increase, with Spain a frequent destination. Data on visceral larva migrans (VLM) among immigrants from Latin America in western countries (primarily European countries, the United States, and Canada) are scarce. To determine whether increased migration is associated with increased VLM incidence, we analyzed clinical and epidemiologic data from immigrants from Latin America.