The pathogens described are:
Pathogenic bacteria:
Enterovirulent Escherichia coli group (EEC Group)
Parasitic protozoa and worms
Viruses
Natural toxins
Other pathogenic agents
External links:
... a dictatorship in 1937 under Getulio Vargas, returned to popular elections in 1945, but following a military coup d'état in 1964 saw a succession of generals a ...