The pathogens described are:
Pathogenic bacteria:
Enterovirulent Escherichia coli group (EEC Group)
Parasitic protozoa and worms
Viruses
Natural toxins
Other pathogenic agents
External links:
... Fahr. The rainfall averages 22 1/2 in. Thick clouds for the most part shut out the sun; while the cold current from the Sea of Okhotsk, aided by north-east winds, brings ...