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2. A cluster of acute flaccid paralysis and cranial nerve dysfunction temporally associated with an outbreak of enterovirus D68 in children in Colorado, USA;Messacar;Lancet,2015
3. Notes from the field: Acute flaccid myelitis among persons aged =21 years - United States Aug 1-November 13, 2014;MMWR Morb Mortal Wkly Rep,2015
4. Available at: http://www.cdc.gov/ncird/investigation/viral/sep2014/investigation.html. Accessed February 14, 2015.
5. Available at: http://www.cdc.gov/ncird/investigation/viral/sep2014/hcp.html#case. Accessed February 14, 2015.