Fig 3. Summary of infections and the types of cancers they cause, via direct or indirect links.

Each coloured line/alphabet represents a pathological pattern. Information adapted from ^aCrosbie, Einstein, and colleagues, 2013 [16]; ^bAhmadi Ghezeldasht, Shirdel, and colleagues, 2013 [55]; ^cMarra, Sordelli, and colleagues, 2011 [56]; ^dMostafa, Sheweita, and colleagues, 1999 [57]; ^eDittmer and Damania, 2016 [58]; ^fPolk and Peek, 2010 [59]; and ^gBower, Nelson, and colleagues, 2005 [17]. HHV8, human herpes virus 8; KSHV, Kaposi sarcoma-associated herpesvirus; HIV, human immunodeficiency virus.