1.   An even more difficult question, Ornstein said, is what to do if many members are incapacitated by a biological attack from anthrax or some other agent.

2.   And though experts say gas masks offer dubious protection in the event of a biological attack, buying them can do no harm if it helps calm people down.

3.   ATLANTA- As fears of biological attacks rippled outward from the United States in the last week, thousands of anthrax scares have been reported across the globe.

4.   Authorities have also stockpiled antibiotics, in event of a biological attack.

5.   Before the anthrax vaccine, no military ever tried to immunize itself against biological attack.

6.   According to federal officials, hundreds or thousands of Americans could be stricken by a biological attack in a crowded city.

7.   Air intakes should be secured to prevent biological attacks.

8.   But California state health officials insist they have built an effective network to detect a biological attack.

9.   But a skeptical Texas Legislature has repeatedly rejected funding to prepare for a biological attack, and the already strained public health system lacks resources to respond.

10.   But in the event of a biological attack, many might go home to their own families.