Table 1. A Sampling of Keywords and Phrases.

Keywords and Phrases Used (not exhaustive):
Biosurveillance	Disease forecast	Infectious disease surveillance	Remote sensing + disease forecast	Biosurveillance
Bioterror* and model	Disease outbreak origin	Pathogen detection	Spatial disease model	Bioterror* and model
CBRN model*	Epidemic model*	Population dynamic + outbreak	Vector-borne disease model	CBRN model*

+ Is used to link phrases or keywords with the Boolean operator “and”.

* Is used as truncation to search for words that begin with the same letters or to replace any number of characters.