9 Real-time, scalable, extensible, automated, knowledge-based infectious agent detection and diagnosis system comprised of a preprocessor, a downloadable database, TCP/IP services, predictive algorithm, web-based user interface, statistical analysis engine, and a natural language processor; health surveillance software system comprised of a preprocessor, a downloadable database, TCP/IP services, predictive algorithm, web-based user interface, statistical analysis engine, and a natural language processor; system providing predictive health analytics comprised of a preprocessor, a downloadable database, TCP/IP services, predictive algorithm, web-based user interface, statistical analysis engine, and a natural language processor