Uncommon enterovirus hits US children

A severe respiratory illness has been reported among children across a dozen US states, according to the Centers for Disease Control and Prevention.

The culprit in most cases is enterovirus 68, or EV-D68, says assistant surgeon-general Anne Schuchat.

Clusters have also been reported in Japan and the Philippines, she told reporters.

"The situation is evolving quickly.  I wouldn't be surprised if there are many more reports."

No deaths have been reported in the US this year, but infants, children and teenagers