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Bacillus anthracis is the causative agent of anthrax, a bacterial infection with a high mortality rate 1-3. Although anthrax infection can be cutaneous, gastrointestinal or pulmonary, the pulmonary form is the most deadly 2,3. Thus, the release of Bacillus anthracis spores that can be inhaled represents a potent bioterrorism threat; the capacity of B. anthracis spores to act as a bioterrorism weapon was demonstrated in 2001, with the intentional infection of 22 persons in the U.S.A. 2,4. Until recently, the available vaccines were developed to confer protection against cutaneous infection; despite this, these vaccines demonstrated experimental efficacy against pulmonary infection in multiple animal models 1,2. Nevertheless, there are many limitations for these vaccines to be considered successful and effective vaccine, including the intensity of the required vaccination schedule, the administration route and the presence of local adverse effects experienced after vaccination 1,3,5,6. To develop more efficient vaccines against pulmonary anthrax, intranasal formulations with adjuvant have been studied. These formulations have advantages because they are easy to administer and because they are expected to induce both systemic and respiratory tract mucosal immune responses. Therefore, the main goal of this review is to compare the different experimental adjuvants used with anthrax antigens and the different approaches regarding the vaccination schedule and consecutive boosters.


Anthrax, Nasal Immunisation, Vaccine, Adjuvant, Immunopotentiator, Delivery System.

Cite this paper

S. Jesus and O. Borges -Recent Developments in the Nasal Immunization against Anthrax,- World Journal of Vaccines, Vol. 1 No. 3, 2011, pp. 79-91. doi: 10.4236-wjv.2011.13008.

Autor: Sandra Jesus, Olga Borges



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