The pathogens described are:
Pathogenic bacteria:
Enterovirulent Escherichia coli group (EEC Group)
Parasitic protozoa and worms
Viruses
Natural toxins
Other pathogenic agents
External links:
... the marital discord of her brother Stepan (Stiva) Oblonsky and his wife Darya (Dolly) caused by the former's unfaithfulness. In Moscow, Anna meets and secures the ...