Viral flugt fra maraviroc kan ske via 2 veje: selektering af virus, som anvender CXCR4 som deres co - receptor (CXCR4- using virus), eller selektering af virus, der fortsætter med udelukkende at bruge CCR5 (CCR5- tropisme virus).
Viral escape from maraviroc can occur via 2 routes: the selection of virus which can use CXCR4 as its entry co-receptor (CXCR4-using virus) or the selection of virus that continues to use exclusively CCR5 (CCR5-tropic virus).