Do environmental changes affect Echinococcus transmission?

28

Symposium (E) I Parasitology

E-3. Echinococcoses:

Data and Perspectives

47 (Suppl.) (1998) 23-48

at the Turn of the Century

s-E3-4 DO ENVIRONMENTAL CHANGES AFFECT ECHINOCOCCUS TRANSMISSION?

GtkWcfoux P. ~~attng

Center for prevention and treatment of inococcosis- Besancon, LBE-OMS - La Souloie, UnfversM de FrencheCom&, 25030 Besancon, France

Transntisston of f. granubsus (Eg) and E. mukkxufatis (Em) usually ocour focalfy in rural areas of both developing and developed

International

counfrfes and either predominant domestrc OT atrc cydes. All zoogeogra.&h’IC regions of the !zzZJz%p. ms endemicfoci, w assoaated public health prcbferns in a number of countries. Is this stituatkm stable or can envtronmental changes make it move towards morefntensfve transmfasion?Changes in Eg transmrssion can pm&e ho= rn human habrts as sedentansatron with low s, cr gee-pdrtical rnfluence preventrng rarnrnes. fn Japan and Europe alveolar sustainabfecontrd irococcosis (&gcoufd be considered as a ‘potential zoonotk disease especially in tiiht of the increase in where concomitant increase of Em evafence rates and geographical extension of the parasite Rave been recorded. Moreover, interactions between landscaf.~ (deforestatfcn in China, grassland extension in small mammal communitfss and their population affecf human AE distribution. The challenge fcu