我查了一下，美國每年大約1百萬人感染這病，需要治療。這藥每個人的劑量價格是多少？

difficile infects approximately half a million Americans each year. Among those infected with C. difficile, about 29,000 patients had fatal outcomes within a month of the initial diagnosis, and 15,000 of these deaths could be directly attributed to C. difficile infection.