| epidemics of enterovirus infection in chungnam korea, 2008 and 2009. | abstract: previously, we explored the epidemic pattern and molecular characterization of enteroviruses isolated in chungnam, korea from 2005 to 2006. the present study extended these observations to 2008 and 2009. in this study, enteroviruses showed similar seasonal prevalent pattern from summer to fall and age distribution to previous investigation. the most prevalent month was july: 42.9% in 2008 and 31.9% in 2009. the highest rate of enterovirus-positive samples occurred in children < 1-year- ... | 2011 | 21668960 |