Seroepidemiology of infection with Toxoplasma gondii in healthy blood donors of Durango, Mexico
Seroepidemiology of infection with Toxoplasma gondii in healthy blood donors of Durango, Mexico
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Abstract
Background
Toxoplasma gondii (T.gondii) infection in blood donors could represent a risk for transmission in blood recipients.There is scarce information about the epidemiology of T.gondii infection in blood donors in Mexico.Therefore, we sought to determine the prevalence of T.
gondii infection and associated socio-demographic and behavioral characteristics in a population of healthy blood donors of Durango City, Mexico.
Methods
Four hundred and thirty two blood donors in two public blood banks of Durango City, Mexico were examined for T.gondii infection between August Backpacks/Bags to September 2006.Blood donors were tested for anti-T.gondii IgG and IgM antibodies by using enzyme-linked immunoassays (Diagnostic Automation Inc.
, Calabasas, CA, USA).Socio-demographic and behavioral characteristics from each participant were also obtained.
Results
Thirty two (7.4%) of 432 blood donors had IgG anti-T.gondii antibodies.
Eight (1.9%) of them had also IgM anti-T.gondii antibodies.Multivariate analysis using logic regression showed that T.gondii infection was associated with the presence of cats at home (adjusted OR = 3.
81; 95% CI: 1.45–10.01).The age group of 45–60 years showed a significantly higher frequency of T.gondii infection than the group of 25–34 years (p = 0.
02).Blood donors without education had a significantly higher frequency of infection (15.8%) than those with 13–19 years of education (4.5%) (p = 0.04).
Other characteristics of blood donors including male gender, consumption of undercooked meat or blood transfusion did not Pickle show an association with infection.
Conclusion
The prevalence of T.gondii infection in healthy blood donors of Durango City, Mexico is lower than those reported in blood donors of south and central Mexico, and is one of the lowest reported in blood donors worldwide.T.gondii infection in our blood donors was most likely acquired by contact with cats.
Prevalence of infection increased with age and decreased with educational level.
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