Related Experiment Video

Updated: Nov 10, 2025

Standard Membrane Feeding Assay for the Detection of Plasmodium falciparum Infection in Anopheles Mosquito Vectors
05:28

Standard Membrane Feeding Assay for the Detection of Plasmodium falciparum Infection in Anopheles Mosquito Vectors

Published on: May 12, 2022

3.3K

High Frequency of Cryptosporidium hominis Infecting Infants Points to A Potential Anthroponotic Transmission in

Idalécia Cossa-Moiane1,2, Hermínio Cossa3, Adilson Fernando Loforte Bauhofer1,4

  • 1Instituto Nacional de Saúde (INS), EN1, Bairro da Vila-Parcela n° 3943, Distrito de Marracuene, Maputo 264, Mozambique.

Pathogens (Basel, Switzerland)
|April 3, 2021
PubMed

Insights

Cryptosporidium infection is common in Mozambican children with diarrhea. Molecular methods detected higher rates, with older children and those with illiterate caregivers at increased risk, suggesting human-to-human transmission.

Area of Science:

  • Medical Parasitology
  • Molecular Diagnostics
  • Pediatric Infectious Diseases

Background:

  • Cryptosporidium is a significant cause of childhood diarrhea globally.
  • Understanding its prevalence and transmission in specific regions like Maputo, Mozambique is crucial for public health interventions.

Purpose of the Study:

  • To determine the frequency, risk factors, and species of Cryptosporidium in children with diarrhea in Maputo.
  • To compare molecular diagnostic methods with microscopy for Cryptosporidium detection.

Main Methods:

  • A study involving 319 children under five with diarrhea admitted to Maputo hospitals.
  • Stool samples analyzed using Modified Ziehl-Neelsen (mZN) staining and Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP) targeting the 18S rRNA gene.

Main Results:

  • Cryptosporidium was detected in 11.0% by microscopy and 35.4% by PCR-RFLP.
  • Children over two years old and those with illiterate caregivers showed significantly higher infection risks.
  • The predominant species identified was Cryptosporidium hominis (93.0%), indicating anthroponotic transmission.

Conclusions:

  • Molecular methods like PCR-RFLP are more sensitive for detecting Cryptosporidium than microscopy.
  • Risk factors for cryptosporidiosis in this population include age and caregiver literacy.
  • The findings suggest that anthroponotic transmission is a major driver of cryptosporidiosis in children with diarrhea in Maputo.
Keywords:
CryptosporidiumMozambiqueacute diarrheachildrenrisk factor

More Related Videos

Studying Cryptosporidium Infection in 3D Tissue-derived Human Organoid Culture Systems by Microinjection05:31

Studying Cryptosporidium Infection in 3D Tissue-derived Human Organoid Culture Systems by Microinjection

Published on: September 14, 2019

9.9K
Ookluc: A Plasmodium berghei Line for Identifying Transmission-blocking Compounds07:14

Ookluc: A Plasmodium berghei Line for Identifying Transmission-blocking Compounds

Published on: July 11, 2025

366

Related Concept Videos

Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
35.6K
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
234
Diversity of Protists II01:27

Diversity of Protists II

Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
592