The pathogens described are:
Pathogenic bacteria:
Enterovirulent Escherichia coli group (EEC Group)
Parasitic protozoa and worms
Viruses
Natural toxins
Other pathogenic agents
External links:
... January 20 - Dmitri Ivanovich Mendeleev, Russian chemist and inventor of the Periodic table May 19 - Auguste Molinier, French historian July 14 - Anton Chekhov, ...