Ticks themselves do not cause disease but if a tick is infected with a virus or bacterium, then that pathogen can be transmitted through the tick’s bite and cause disease in humans.
In EU, only 1 in every 3 MDR TB patients has a successful treatment outcome; more than half either die, fail treatment or default (stop taking treatment). XDR TB has even worse treatment outcomes: only 1 in 4 patients finishes treatment successfully.