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BEI Resources currently limits the total number of "Made to Order" items which can be ordered by a registrant to 10 "Made to Order" items per 6 month period. Please check the Availability Status on the items you are ordering and limit orders appropriately.
NR-21965   Schistosoma haematobium, Egyptian Strain, Exposed Bulinus truncatus subsp. truncatus
(Parasitic Worms)
Designations: Schistosoma haematobium, Egyptian Strain, Exposed Bulinus truncatus subsp. truncatus
Organism: Schistosoma haematobium
Biosafety Level: 2
Availability Status: In Stock
Store at: 26°C to 28°C in suitable aquaria
Contributor: FA Lewis
Comments:
Quantity limit per year for this item is 500 snails. Orders over this limit will be sent to NIAID for approval before shipment.

The Egyptian strain of Schistosoma haematobium (S. haematobium) was originally isolated circa 1950 from an unknown location in Egypt. The laboratory stock of the Egyptian strain of S. haematobium was later mixed with an isolate that was thought to be obtained from Abrawash (Cairo) by the Naval Medical Research Unit III, in 1977. The current Egyptian strain of S. haematobium was produced when the 1977 stock was mixed with another Egyptian isolate obtained in the 1980s. The Bulinus truncatus (B. truncatus) subsp. truncatus snail host was obtained from Egypt.

NR-21965 consists of up to 100 B. truncatus subsp. truncatus infected with the Egyptian strain of S. haematobium in a petri dish.

Note: Infected snails are exposed to miracidia only a few days before shipment. Laboratories should be aware and take caution of possible cercarial exposure following a 4 week prepatent period after exposure to miracidia (depending on the temperature and species). BEI Resources recommends consulting personnel in your institution's Occupational Safety and Health office for clearance to receive and maintain the infected snails.

Depending on the species requested, orders can usually be filled between 1-3 weeks. Shipments of snails ordered through BEI Resources will be shipped by Biomedical Research Institute in Rockville, MD. To set up a standing recurring order of snails or mice, please use the form linked here: Schistosome Standing Order Reagent Request Form. The form can be submitted via email to contact@beiresources.org.
Citations: Acknowledgment for publications should read "The following reagent was obtained through BEI Resources, NIAID, NIH: Schistosoma haematobium, Egyptian Strain, Exposed Bulinus truncatus subsp. truncatus, NR-21965."
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