Fig. 1.
Survey locations and observed prevalence of C. sinensis infection in South Korea. (a) 1970–1974, (b) 1975–1979, (c) 1980–1984, (d) 1985–1989, (e) 1990–1994, (f) 1995–1999, (g) 2000–2004, (h) 2005–2009, (i) 2010–2014, and (j) 2015 onward.
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