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
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