Availability refers to sufficient, sustainable and timely supply of new TB vaccines for adults and adolescents. This includes having demand assessed for different population groups, defining policy and evidence needs, and having procurement plans in plans. This follows from the WHO global framework for country introduction of new adolescent and adult TB vaccines (https://www.who.int/publications/m/item/who-global-framework-to-prepare-for-country-introduction-of-new-tb-vaccines-for-adults-and-adolescents)
Making wider use of the world’s most widely used vaccine: Bacille Calmette-Guerin revaccination reconsidered
This paper assesses the effectiveness and cost-effectiveness of revaccinating adolescents in a setting with intense transmission—Cape Town, South Africa.