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Volume 31, Number 2—February 2025
Dispatch

Reemergence of Echinococcus granulosus Infections after 2004 Termination of Control Program in Magallanes Region, Chile

Cristian A. Alvarez RojasComments to Author  and Juan Francisco Alvarez
Author affiliation: Pontificia Universidad Católica de Chile, Santiago, Chile (C.A. Alvarez Rojas); Servicio Agrícola y Ganadero, Magallanes Region, Punta Arenas, Chile (J.F. Alvarez)

Main Article

Figure

Prevalence of Echinococcus granulosus infections after 2004 termination of control program in Magallanes Region, Chile. Prevalence is indicated for humans, sheep, and dogs during 1979–2023. Prevalence of cystic echinococcosis in sheep was calculated according to official condemnation data of viscera in abattoirs; E. granulosus infections in dogs was according to arecoline purgation tests until 2004 and human incidence of cystic echinococcosis for the period 1979–2021 Shading indicates praziquantel dosage intervals for treatment of dogs. No data for sheep is presented for 1996 because of the high death rates caused by a large snowfall. Also, in 1998 and 1999, all staff from Servicio Agrícola y Ganadero, Chile, were dedicated to fighting an outbreak of scabies in sheep, and no arecoline purgation tests in dogs were performed.

Figure. Prevalence of Echinococcus granulosus infections after 2004 termination of control program in Magallanes Region, Chile. Prevalence is indicated for humans, sheep, and dogs during 1979–2023. Prevalence of cystic echinococcosis in sheep was calculated according to official condemnation data of viscera in abattoirs; E. granulosus infections in dogs was according to arecoline purgation tests until 2004 and human incidence of cystic echinococcosis for the period 1979–2021 Shading indicates praziquantel dosage intervals for treatment of dogs. No data for sheep is presented for 1996 because of the high death rates caused by a large snowfall. Also, in 1998 and 1999, all staff from Servicio Agrícola y Ganadero, Chile, were dedicated to fighting an outbreak of scabies in sheep, and no arecoline purgation tests in dogs were performed.

Main Article

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