Masters student Ana Lilia Sandoval Sanchez, 24, holds up a petri dish containing the Anthrax bacteria at a laboratory in Mexico's Instituto Politecnico Nacional October 23, 2001. The Politecnico Nacional, one of Mexico's most prestigious higher education centers, keeps the Anthrax virus on campus as students like Ana Lilia, studying Chemistry, Bacteriology and Parasitology study it in their ninth semester. 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.