Zika virus could cause 'Guillain-Barré' syndrome
New research suggests that the mosquito-borne Zika virus can cause a rare but severe neurological disorder, called Guillain-Barré syndrome.
The virus has already been linked to under-developed brains in babies.
The global health charity The Wellcome Trust has described the findings, published in the Lancet, as compelling.
The BBC's Jane Dreaper reports.