If you don't have a good public health system in these countries because of perpetual underinvestment, these people who have the bacilli will then have a much higher chance to progress, to join the nine million, ten million who will go on to active disease.
Si vous n'avez pas un bon système de soins de santé dans ce pays, en raison d'un investissement insuffisant constant, ces gens auront les bacilles qui auront beaucoup de chance progresser, si bien qu'ils se joindront aux 9, aux 10 millions qui auront la maladie active.