What are your thoughts on Blastocystis carriage and age?
More and more data suggest that the prevalence of Blastocystis carriage increases by age - at least to a certain point.
Some intestinal parasites, such as Cryptosporidium, may not be that uncommon in infants/very young toddlers, while they are much less common in older children and adolescents. Other parasites appear to peak in prevalence around the age of 7, e.g., Dientamoeba fragilis.
Meanwhile, Blastocystis appear to increase in prevalence by age until mature adulthood... why is that? And what does it tell us? Please comment! I'm not having all the answers to these questions myself, and if some interesting suggestions pop up, I'll post them! You only need a Google account to be able to comment. If you don't have one, please send your comment using
For those interested in Blastocystis carriage in association with age, I have listed a couple of relevant recent studies below.
References:
Forsell J, Granlund M, Samuelsson L, Koskiniemi S, Edebro H, & Evengård B (2016). High occurrence of Blastocystis sp. subtypes 1-3 and Giardia intestinalis assemblage B among patients in Zanzibar, Tanzania. Parasites & Vectors, 9 (1) PMID: 27356981
Poulsen CS, Efunshile AM, Nelson JA, & Stensvold CR (2016). Epidemiological Aspects of Blastocystis Colonization in Children in Ilero, Nigeria. The American Journal of Tropical Medicine and Hygiene, 95 (1), 175-9 PMID: 27139454
More and more data suggest that the prevalence of Blastocystis carriage increases by age - at least to a certain point.
Some intestinal parasites, such as Cryptosporidium, may not be that uncommon in infants/very young toddlers, while they are much less common in older children and adolescents. Other parasites appear to peak in prevalence around the age of 7, e.g., Dientamoeba fragilis.
Meanwhile, Blastocystis appear to increase in prevalence by age until mature adulthood... why is that? And what does it tell us? Please comment! I'm not having all the answers to these questions myself, and if some interesting suggestions pop up, I'll post them! You only need a Google account to be able to comment. If you don't have one, please send your comment using
crs[at]blastocystis.net
For those interested in Blastocystis carriage in association with age, I have listed a couple of relevant recent studies below.
References:
Forsell J, Granlund M, Samuelsson L, Koskiniemi S, Edebro H, & Evengård B (2016). High occurrence of Blastocystis sp. subtypes 1-3 and Giardia intestinalis assemblage B among patients in Zanzibar, Tanzania. Parasites & Vectors, 9 (1) PMID: 27356981
Poulsen CS, Efunshile AM, Nelson JA, & Stensvold CR (2016). Epidemiological Aspects of Blastocystis Colonization in Children in Ilero, Nigeria. The American Journal of Tropical Medicine and Hygiene, 95 (1), 175-9 PMID: 27139454
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