11.   A skin anthrax infection was also reported for an employee of the New York Post .

12.   A second New York Post worker has contracted an anthrax skin infection, according to CNN.

13.   A State Department employee remains hospitalized in serious but stable condition with an anthrax infection.

14.   All confirmed cases of anthrax infection and exposure are believed to have been transmitted through the mail, prompting the unusual alert from postal officials.

15.   All hospitals are checking patient charts daily for symptoms of anthrax infection, and the medical examiner is reviewing any unusual deaths.

16.   But health officials and other investigators say they have yet to find a hint of some other cause for anthrax lung infections that closely followed its passage.

17.   Dozens of workers at the facility were prescribed preventive doses of the antibiotic Cipro as health officials tested for anthrax infections.

18.   During the previous week, an assistant to the NBC anchor Tom Brokaw had tested positive for an anthrax infection of the skin.

19.   Doctors also are monitoring five suspected anthrax infections.

20.   Dr. Jeffrey Koplan, director of the Centers for Disease Control and Prevention, advised those concerned about anthrax infections to wash their hands after opening mail.