Parasitological investigations of environmental specimens

Specimen	Procedure	Amount of specimen	Conditions of transportation and storage	Testing results obtained in (days)
Environmental scrapings	Microscopic examination by Grechem technique	2*7 cm adhesive cellulose tape	At room temperature - 8 h, at 2–8°C – 24 h. Shipment of specimens – in microscope slides box	1–2
Soil	Determination of helminth eggs and larvae by flotation technique	150–200 g	At room temperature – 8 h, at 2–8°C – 24 h. Shipment of specimens – in plastic containers	1–3
Sludge	Determination of helminth eggs and larvae by flotation technique	150–250 ml	At room temperature – 8 h, at 2–8°C – 24 h. Shipment of specimens – in plastic or glass containers	1–3
Fruit and vegetable	Determination of helminth eggs and larvae by flotation and sedimentation technique	0,5–1 kg	At room temperature – 8 h, at 2–8°C – 24 h. Shipment of specimens – in plastic containers	1–3
Water	Determination of helminth eggs and larvae by sedimentation technique	10–50 l of pool water; 3–5 l of well, river, lake or pond water	At room temperature, in the dark – 8 h, at 2–8°C – 24 h. Shipment of specimens – in plastic containers	2–4
Water (potable, pool)	Determination of Cryptosporidium and Giardia by sedimentation technique	10–50 l of pool or potable water	At room temperature, in the dark – 8 h, at 2–8°C – 24 h. Shipment of specimens – in plastic containers	2–4

Nacionalinė visuomenės sveikatos priežiūros laboratorija
Žolyno g. 36 LT-10210 Vilnius.
Biudžetinė įstaiga, kodas 195551983, duomenys kaupiami ir saugomi Juridinių asmenų registre

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