Serologic detection of antibodies against Toxocara (Toxocara canis, Toxocara cati, Larva migrans)
Microbiology
Serology
○ Serum
Other Information
○ Both acute and convalescent sera are preferred (within 2-3 weeks of one another) as patients with early infection may have a weak IgG response. ○ Serology is the main laboratory diagnostic modality available for toxocariasis.
○ Serum separator tube (min volume 5 mL)
○ Decontaminate skin with 70% alcohol followed by iodine or chlorhexidine, collect at least 5 mL of blood
Refer to section Sample Processing / Delivery
PHOL
○ Up to 10 days upon receipt at PHOL
416-586-4800 extension 4609
NO
○ Label specimen container. Place specimens in biohazard bag and seal.
○ Specimen should be stored and transported to the UHN/SH Microbiology Laboratory ASAP at refrigeration temperature (2-8˚C).
○ The specimen will be referred to the Public Health Ontario Laboratory for testing. PHOL will refer the specimen to NRCP.