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The incidence of infections due to Candida albicans and other related species has increased in recent years. A number of factors have contributed to this, e.g. the use of a wide range of potent antibacterial and immunosuppressive therapeutic agents and the increased incidence of immune-deficiency diseases such as AIDS. Pathogenicity determinants which confer virulence on C. albicans, and other Candida species to a lesser extent, have been reviewed. These include factors related to species and strains, adherence, dimorphism, toxin and enzyme production and cell surface composition. This review clearly shows that C. albicans virulence is a function of a multiplicity of factors working jointly to overcome the host defences. A lack or debility in any of these parameters will reflect negatively on its infectivity and make it difficult for Candida to establish itself, particularly in a healthy individual.
Ghannoum et al. (Fri,) studied this question.