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Multiparasite communities in animals and humans: frequency, structure and pathogenic significance
1Department of Parasitology, Hygiene Institute, Heidelberg University, Germany. petney@urz.uni-heidelberg.de
International Journal for Parasitology
|April 29, 1998
Summary
Multiple parasite infections are common in humans and animals, influenced by various factors. These co-infections can alter parasite transmission and disease severity.
Area of Science:
- Ecology
- Parasitology
- Epidemiology
Background:
- Organisms frequently host multiple parasite species simultaneously.
- Multiple infections are prevalent in wild animal populations and human communities, particularly in developing regions.
- In certain contexts, hosts with multiple infections outnumber those with no or single infections.
Purpose of the Study:
- To review current knowledge on the frequency of multiparasite infections.
- To explore factors influencing the composition of parasite communities within hosts.
- To assess the pathogenic significance of multiparasite infections.
Main Methods:
- This review synthesizes findings from existing studies, predominantly focusing on animal models.
- It examines environmental and host-dependent variables affecting parasite community structure.
- The review analyzes interspecific parasite interactions, including synergistic and competitive dynamics.
Main Results:
- Environmental and host factors significantly shape multiparasite infection dynamics.
- Interactions between parasite species can modulate transmission success and pathogenicity.
- The frequency and impact of multiple infections vary across species and geographical locations.
Conclusions:
- Multiparasite infections represent a common ecological phenomenon with significant implications.
- Understanding the drivers and consequences of these infections is crucial for host health and disease management.
- Further research is needed to fully elucidate the complex interactions within multiparasite communities.