In Canada the cost of a course of antiviral treatment is as high as 30,000 CAD in 2003, while the United States costs are between 9,200 and 17,600 in 1998 USD.
Di Kanada biaya satu kali pengobatan antivirus mencapai 30.000 dolar Kanada pada 2003, sedangkan di Amerika Serikat biaya tersebut berkisar antara 9.200 dan 17.600 pada dollar AS 1998.