1) Biological hazard 
A panzootic (from Greek παν pan all + ζόιον zoion animal) is an epizootic (an outbreak of an infectious disease of animals) that spreads across a large region (for example a continent), or even worldwide. The equivalent in human populations is called a pandemic. A panzootic can start when three conditions have been met: A disease or condit...
<epidemiology> A widely distributed epizootic, often one affecting more than one host species. ... (05 Dec 1998) ... 
(pan″zo-ot´ik) occurring among animals over a wide geographical area.
Denoting a disease affecting all, or a large proportion of the animals or a region; extensively epizootic.
panzoon, panzootic, panzoic A pandemic (wide-spread, universal) disease of animals.