organisms of recent interest , such as bacillus , yersinia , campylobacter , listeria , sporothrix , giardia , cryptosporidium , and anisakis , are the foci of new investigations , as are the more familiar foodborne pathogens , salmonella , shigella , clostridium , staphylococcus , entamoeba and ascaris .
C0029235
organisms
C0450254
pathogens