According to the most recent surveillance data, coxsackievirus B1, echovirus 6, echovirus 9, echovirus 18, and coxsackievirus A9 were responsible for 54% of infections in which the virus was serotyped. Between 2002 and 2004, echoviruses 9 and 30 were the most commonly reported enterovirus serotypes in the United States. In contrast, other enterovirus serotypes (eg, echovirus 1, coxsackievirus B6, and enterovirus 69) are rarely reported and appear to have little epidemic potential. However, difficulty in isolation of enterovirus 68 (EV68, EV-D68, EVD-68, HEV68) may bias the data, leading to an underestimation of its prevalence.
For more information on various types of enterovirus infection, read here.
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Cite this: Fast Five Quiz: Do You Know How Best to Approach Suspected Enterovirus D68 Cases? - Medscape - Nov 04, 2014.