The Centre for Health Protection has confirmed another enterovirus-71 in a 21-month-old boy, bringing this year's total to 34. He travelled to the Mainland from September 3 to 5.

The boy developed fever, vomiting and oral ulcers on September 10. He was admitted to Queen Elizabeth Hospital on September 11 and discharged on September 14.

Investigations show this case is linked to a confirmed case of EV-71 reported on September 27, involving the boy's two-year-old female cousin who has already recovered.

The centre calls on people to guard against infection and maintain good personal and environmental hygiene.