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Volume 14, Number 2—February 2008

Research

Diagnosis of Cystic Echinococcosis, Central Peruvian Highlands

Cesar M. Gavidia*Comments to Author , Armando E. Gonzalez*, Wenbao Zhang†, Donald P. McManus†, Luis Lopera*, Berenice Ninaquispe*, Hector H. Garcia‡, Silvia Rodríguez§, Manuela Verastegui‡, Carmen Calderon*, William K.Y. Pan¶, and Robert H. Gilman¶
Author affiliations: *Universidad Nacional Mayor de San Marcos, San Borja, Lima, Peru; †The Queensland Institute of Medical Research, Brisbane, Queensland, Australia; ‡Universidad Peruana Cayetano Heredia, Lima, Peru; §Instituto de Ciencias Neurologicas, Lima, Peru; ¶Johns Hopkins University, Baltimore, Maryland, USA;

Main Article

Table 1

Immunoblot assay results for cystic echinococcosis, central Peruvian Highlands, 
using 2 immunoblot assays with different antigens*

Community No. samples Antigen, no. (%) positive
IBCF rEpC1-GST
Tambochaca
62
2 (3.2)
17 (27.4)
Huarautambo
54
2 (3.7)
10 (18.5)
Astobamba
79
5 (6.3)
12 (15.2)
Santiago Pampa
213
17 (8)
35 (16.4)
12 de Octubre
84
11 (13.1)
10 (11.9)
Andachaca
118
11 (9.3)
25 (21.2)
Uchumarca
113
15 (13.3)
27 (23.9)
Tambopampa
107
10 (9.4)
30 (28)
Ayayog
74
6 (8.1)
14 (18.9)
Other†
25
4 (16)
3 (12)
Total 929 83 (8.9)‡ 183 (19.7)‡

*IBCF, antigen was bovine hydatid cyst fluid; rEpC1-GST, antigen was recombinant EpC1 glutathione S-transferase.
†Group of volunteers who came from nearby communities and were also included in the survey.
‡Statistically different (p<0.01), with higher percentage of seropositivity for rEpC1-GST than IBCF.

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