11.   Anthrax spores were found on three more people who came in contact with a letter sent to NBC News in New York, Mayor Rudolph Giuliani said Sunday.

12.   At the facility serving the White House, spores were found on the blade of a machine that opens letters for the executive mansion.

13.   Besides the finding of anthrax exposure on Capitol Hill, Gov. George Pataki of New York said that anthrax spores had been found in his mid-Manhattan office.

14.   A few spores have been found at NBC.

15.   Actually, there was no confirmation that anthrax spores had been found in the ventilation system.

16.   After federal officials announced that spores had been found in a third employee of American Media, a subsidiary of Provant Inc., the tension became palpable.

17.   But EPA officials found anthrax spores on all three floors of the building, although not in the ventilation system.

18.   Clostridial spores were found in half the patients with serious infections, Jernigan said.

19.   EPA specialists who sampled the offices last November found spores on all three floors, but AMI officials wanted more testing.

20.   Indeed, anthrax spores also were found on the office computer keyboard used by Stevens.