No vaccine is currently available for the non-polio enteroviruses. General cleanliness and frequent hand washing are effective in reducing the spread of these viruses. If soap and clean water are not available, use an alcohol-based "hand sanitizer" product. Refer to the US Centers for Disease Control and Prevention document titled "Ounce of Prevention" for further details. http://www.cdc.gov/ounceofprevention/
It is important to note that breast milk contains antibodies that can protect newborns.