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Diagnostic Methods
Diagnostic methodsPros and cons
Parasitological diagnosis 
Ova can be easily recovered from faeces of infected individuals. Be aware that fertilized and non-fertilized eggs look different.
Rarely, adult worms may be found in stools.
During the larval migration phase, larvae may be found in the sputum.
  • Gold standard, no alternative tests developed so far (except for specific IgE antibodies)
  • Parasitological diagnosis is not possible during the pre-patent period
Molecular diagnosis 
No tests in use 
Antigen detection 
No tests developed so far 
Antibody detection 
No tests commercially available (except for IgE antibodies)
  • Detection of hypersensitivity reactions to Ascaris antigens by detecting specific IgE antibodies