| [impact of effect of natural disasters on the circulation of causative agents of parasitic diseases]. | the southern region is marked by a high incidence of parasitic diseases and a significant contamination of environmental objects with the eggs and cysts of their pathogens. background examinations revealed the greatest soil contamination with helminthic eggs in the temryuksky district of the krasnodar territory and in the towns of vladikavkaz and digora of the republic of north ossetia (alania). the least contamination was found in rostov-on-don and the towns of the south-western area of the kra ... | 2005 | 16445230 |