: difficult in a way that is usually interesting or enjoyable. Thesaurus: All synonyms and antonyms for challenging Nglish: Translation of challenging for Spanish speakers Britannica English: Translation of challenging for Arabic speakers.
To illustrate the tremendous indirect impact of emerging zoonotic diseases on public health policy and structures and on public perception of health risks, the authors provide a number of examples, including that of the Ebola virus, avian influenza, monkeypox and bovine spongiform encephalopathy.
Heterodon nasicus Introduction Western Hognose Snakes are a mildly venomous, small colubrid species with an upturned snout which is used for digging. A species which is particularly active during the day (diurnal) and very energetic which makes them an extremely interesting and amusing captive to observe.