CAPTION CORRECTION - CHANGING VIRUS TO BACTERIA FOR CLARIFICATION

Doctor Hector Zepeda, a teacher at Mexico's Instituto Politecnico
Nacional, looks at a monitor displaying the Anthrax bacteria under the
microscope in his laboratory October 23, 2001. The Politecnico
Nacional, one of Mexico's most prestigious higher education centers,
keeps the Anthrax bacteria on campus and it is used for teaching and
learning purposes by students studying Chemistry, Bacteriology and
Parasitology. The Anthrax bacteria has caused panic across the United
States after spores were mailed to several prominent individuals, two
people are known to have died from exposure. REUTERS/Andrew Winning