Bacteriophage Products


Phage Preparation Effective Against Shigella spp.

ShigaShield™ is an all-natural, non-chemical antimicrobial preparation for controlling the foodborne/waterborne bacterial pathogen Shigella. The active ingredients of ShigaShield™ are naturally occurring lytic bacteriophages that selectively and specifically kill Shigella, including strains belonging to the three major disease-causing species S. flexneri, S. sonnei and S. dysenteriae.

ShigaShield™ is specifically designed for treating foods that are at high risk for Shigella contamination including ready-to-eat meat and poultry, fish (including smoked fish), shellfish, fresh and processed fruits and vegetables, and dairy products including cheese. SalmoFresh™ is the choice for eliminating or significantly reducing contamination of food with Shigella because it:

Scientific Literature

Bacteriophage preparation lytic for Shigella significantly reduces Shigella sonnei contamination in various foods.
PLoS One , 2017
Soffer N, Woolston J, Li M, Das C, Sulakvelidze A.

Bacteriophage administration significantly reduces Shigella colonization and shedding by Shigella-challenged mice without deleterious side effects and distortions in the gut microbiota
Bacteriophage, 2015
Mai V, Ukhanova M, Reinhard MK, Li M, Sulakvelidze A.

Additive Approach for Inactivation of Escherichia coli O157:H7, Salmonella, and Shigella spp. on Contaminated Fresh Fruits and Vegetables Using Bacteriophage Cocktail and Produce Wash.
Journal of Food Protection, 2013
Magnone, J.P., Marek, P.J., Sulakvelidze, A., and Senecal, A.G.

For product inquires or to place an order, email Intralytix at or call 1-877-ITXPHAGE (489-7424) and select option 1.

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Food Safety

Environmental Sanitation

Veterinary Applications

Human Therapeutics