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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-21967   Schistosoma japonicum, Chinese Strain, Exposed Oncomelania hupensis subsp. hupensis, Chinese Strain
(Parasitic Worms)
Price: All BEI Resources products are provided
at no cost to registered researchers.
Designations: Schistosoma japonicum, Chinese Strain, Exposed Oncomelania hupensis subsp. hupensis, Chinese Strain
Organism: Schistosoma japonicum
Biosafety Level: 2
Availability Status: In Stock
Store at: 26°C to 28°C in suitable aquaria
Contributor: FA Lewis
Quantity limit per year for this item is 500 snails. Orders over this limit will be sent to NIAID for approval before shipment.

The Chinese strain of Schistosoma japonicum (S. japonicum) was originally isolated from An-huei Province, China in 1928. The laboratory stock of the original Chinese strain of S. japonicum was later mixed with a second isolate from An-huei Province in 1977 to produce the current Chinese strain. The Oncomelania hupensis (O. hupensis) subsp. hupensis, Chinese strain snail host was originally isolated in China in 1928.

NR-21967 consists of up to 100 O. hupensis subsp. hupensis, Chinese strain, infected with the Chinese strain of S. japonicum 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 possible 2-4 month prepatent period after exposure to miracidia (depending on the temperature). BEI Resources recommends consulting personnel in your institution's Occupational Safety and Health office for clearance to receive and maintain the infected snails.

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

Note: The approximate time required to fill an order of exposed O. hupensis snails is 3 to 4 weeks.
Citations: Acknowledgment for publications should read "The following reagent was provided by the NIAID Schistosomiasis Resource Center for distribution through BEI Resources, NIAID, NIH: Schistosoma japonicum, Chinese Strain, Exposed Oncomelania hupensis subsp. hupensis, Chinese Strain, NR-21967."
For a list of permits that may be required for shipping this product and to set the permit information preferences; please select a country from the drop down below.

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.

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BEI Resources products are intended for laboratory research purposes only. They are not intended for use in humans.

While BEI Resources uses reasonable efforts to include accurate and up-to-date information on this site, BEI Resources makes no warranties or representations as to its accuracy. Citations from scientific literature and patents are provided for informational purposes only. BEI Resources does not warrant that such information has been confirmed to be accurate.

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