http://en.wikipedia.org/wiki/Infection_control#Surveillance_for_infections http://en.wikipedia.org/wiki/Infection_control#Surveillance_... and http://en.wikip

http://en.wikipedia.org/wiki/Infection_control#Surveillance_for_infections http://en.wikipedia.org/wiki/Infection_control#Surveillance_... and http://en.wikipedia.org/wiki/Infection_control#Isolation http://en.wikipedia.org/wiki/Infection_control#Isolation especially if "terrorists" are anywhere within the many small-networks lurking in all that data (http://en.wikipedia.org/wiki/Small-world_networks http://en.wikipedia.org/wiki/Small-world_networks)