Abstract
Introduction Diarrhea is a significant health problem in the Third World. Identification of the pathogen that causes diarrhea is vital for measures to prevent and control this disease. There are also very few reports of diarrhea in Sudan. Our study aimed to determine the Prevalence of specific protozoan pathogens (Entamoeba histolytica, Cryptosporidium parvum., and Giardia spp) in children in Khartoum, Sudan. Methods We conducted a cross-sectional survey among children under five years of age hospitalized with acute diarrhea between April and December 2014. Diarrheal stool samples were collected, and E. histolytica, C. parvum, and Giardia spp were examined using multiplex real-time PCR. Results Four hundred and thirty-seven children with acute diarrhea were included in this study; the higher prevalence of diarrhea was in the age ≤ 2 years old (403, 92.2%), >2–≤4 years (32, 7.3%), and >4–<5 years (2, 0.5%). The male-to-female ratio in this study was 1:1.7. Infection with intestinal parasite was found in 155 (35.5%) cases, and co-infection was detected in 16 (3.7%) cases. Giardia spp (18.8%) and C. parvum (15.8%) were the most frequently identified parasites, followed by E. histolytica (0.9). The parasite infection rate was highest and lowest in the under 2-year-old group 143 (35.5%) and the 2–4-year-old group 12 (37.5%). The infection rate was higher in boys 104 (37.7%) than in girls 51 (31.7%). The number of positive cases was higher in the rainy season (August to December) 143 (37.4%), corresponding with that in the dry Season (April to June) 12 (21.8%). Discussion Our present study demonstrated the high prevalence of Giardia spp and C. parvum in children with diarrhea in the Khartoum region and the usefulness of the multiplex real-time method in disclosing pathogenic protozoal agents. Our result highlighted the necessity of developing intervention measurement and control strategies to deal with childhood parasitic diarrhea in this region.
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