Question

In September 2001, a bioweapon used in America was ____________.
A. Poliovirus
B. Anthrax
C. AIDS virus
D. Botulinum

Answer 1

Hint:-There were Letters sent to several government officers including senators , it was used in powdered form which contained spores of anthrax. It caused skin infections and several other symptoms.

Complete answer:The attack occurred in the United States over the course of several weeks beginning on September 18, 2001
Letters containing anthrax spores were mailed to several news media offices and to Democratic Senators, killing five people and infecting 17 others.
The fine powder anthrax sent to the senators mostly caused the more dangerous form of infection known as inhalation anthrax.
Anthrax is an infection caused by the bacterium bacillus anthracis It can infects in four forms: skin, lungs, intestinal, and injection. Symptoms often start between one day to over two months after the infection is contracted.
The skin form is presented with a small blister with surrounding swelling that often turns into a painless ulcer with a black center. The inhalation form is presented with fever, chest pain, and shortness of breath. The intestinal form presents with diarrhea which may contain blood, abdominal pains, nausea, and vomiting. The injection form shows fever and an abscess at the site of drug injection.
Additional Information: This is also known as Amerithrax (a portmanteau of "America" and "anthrax"). The early antibiotic treatment of anthrax is necessary, delay significantly lessens chances for survival. Treatment for anthrax infection and other bacterial infections includes large doses of intravenous and oral antibiotics, such as ciprofloxacin or penicillin.

Hence, the correct option is (B) Anthrax

Note:- Anthrax is the name of the disease caused by bacillus anthracis. This disease is rare in humans but can affect if the spores are directly inhaled.