There is actually a vaccine that is available for people with high risk; such kind of people includes members of armed forces, technicians in the laboratories, and the workers in the textile mills that are into the processing of imported goat hairs.
The defense department of the United States and also the United States center for disease control and prevention are working intensely to avoid a bioterrorism attack and also to be able to deal with the aftermath in case one occurs. In the case of some infectious disease and anthrax, for example, vaccines that are highly efficient in combating the disease, which affords few side effects are being developed.
Presently, most of the vaccines in use now are usually injected into the fat or a muscle below the skin. Some studies show that animals show the promise for an oral anthrax vaccine. It is, however, so obviously those pills are easier to take than shot.