Автор работы: Пользователь скрыл имя, 24 Сентября 2013 в 23:03, реферат
Pathogenicity. This is the potential capacity of certain species of microbes to cause an infectious process.
Virulence signifies the degree of pathogenicity of the given culture (strain). Virulence, therefore, is an index of the qualitative individual nature of the pathogenic microorganism. Virulence in pathogenic microbes changes under the influence of natural conditions.