Antibiotics can be effective anthrax-killers in an infected person, especially if someone contracts cutaneous anthrax and gets prompt treatment.

CNN: Ten things you need to know about anthrax

On September 25, the woman had contact with a letter or package with a white powdery substance and began experiencing symptoms of cutaneous anthrax three days later.

CNN: Cutaneous anthrax most common, most survived

The employee at NBC who contracted anthrax has cutaneous anthrax.

CNN: Ten things you need to know about anthrax

The woman in New York, an NBC employee who works in Rockefeller Center, is believed to have contacted the less severe, and seldom fatal form of anthrax known as cutaneous anthrax.

CNN: Cutaneous anthrax most common, most survived

Cutaneous, or an anthrax skin infection, is the most common and least severe form of the disease.

CNN: Cutaneous anthrax most common, most survived

Seven other people contracted cutaneous (skin) anthrax.

CNN: Fumigation largely succeeding in clearing anthrax

Anthrax infections take three forms: cutaneous, inhalation and intestinal.

CNN: Cutaneous anthrax most common, most survived

Anthrax infection can occur in three forms: cutaneous (skin), inhalation, and gastrointestinal.

CNN: Ten things you need to know about anthrax