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Volume 28, Number 9—September 2022
Dispatch

Zoonotic Ancylostoma ceylanicum Hookworm Infections, Ecuador

William J. Sears1Comments to Author , Jorge Cardenas1, Joseph Kubofcik, Thomas B. Nutman, and Philip J. Cooper
Author affiliations: National Institutes of Health, Bethesda, Maryland, USA (W.J. Sears, J. Kubofcik, T.B. Nutman); University of Miami Miller School of Medicine, Miami, Florida, USA (J. Cardenas); Fundación Ecuatoriana Para Investigación en Salud, Quito, Ecuador (P.J. Cooper); Universidad Internacional del Ecuador, Quito (P.J. Cooper); St George's University of London, London, UK (P.J. Cooper)

Main Article

Table

Sociodemographic and soil-transmitted helminth co-infection characteristics of 230 persons for whom fecal samples were examined*

Variable Ancylostoma ceylanicum
 Necator americanus
Uninfected, n = 224 Infected, n = 6 Uninfected, n = 145 Infected, n = 85
Median age, y (range)
 9 (<1–53)
 4 (1–12)
10 (<1–63)
 9 (<1–48)
Sex
M, n = 93 89 (39.7) 4 (66.7) 54 (37.2) 46 (54.1)
F, n = 137
 135 (60.3)
 2 (33.3)
91 (62.8)
 39 (45.9)
Residence
Rural, n = 70 70 (31.2) 0 25 (17.2) 45 (52.9)
Urban, n = 160
 154 (68.8)
 6 (100)
120 (82.8)
 40 (47.1)
STH co-infections
Ascaris lumbricoides, n = 147 142 (63.4) 5 (83.3) 74 (51.0) 73 (85.8)
Trichuris trichiura, n = 160 154 (68.8) 6 (100) 94 (64.8) 66 (77.7)
Strongyloides stercoralis, n = 35 32 (14.3) 50.0 (3) 29 (20.0) 6 (7.1)
N. americanus, n = 85 82 (36.8) 50.0 (3) NA NA
A. ceylanicum, n = 6
 NA
 NA
3 (2.1)
 6 (7.1)
No. co-infecting species
0, n = 22 22 (9.8) 0 22 (15.2) 0
1, n = 62 62 (27.7) 0 59 (40.7) 3 (3.5)
 >2, n = 146
 140 (62.5)
 6 (100)
64 (44.1)
 82 (96.5)
*Values are no. (%) except as indicated. Data are stratified according to presence versus absence of A. ceylanicum or N. americanus hookworm infections. STH, soil-transmitted infection; NA, not applicable.

Main Article

1These authors contributed equally to this article.

Page created: July 14, 2022
Page updated: August 19, 2022
Page reviewed: August 19, 2022
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