all of the following factors are important in causing the worldwide resurgence of tuberculosis: (a) emergence of strains that are resistant to one or more of the available antibiotics effective against mtb; (b) incomplete or inadequate understanding by scientists of the details of the host/pathogen interaction in mtb infection; (c) lack of a universally-accepted vaccine; (d) lack of financial support for science and for public health initiatives in developing countries; (e) famine; (f) geopolitical instability in the developing world; and (g) inadequate public awareness of public health issues. if you were a billionaire philanthropist like warren buffet or bill gates, where would you focus your efforts against tuberculosis?