Health service bars those who have been to countries widely affected by the virus from donating blood for four weeks
People who have travelled to countries affected by the Zika virus will not be allowed to donate blood for four weeks after returning home, the NHS has said.
Zika has prompted the World Health Organisation to declare a public health emergency of international concern. It is spread by mosquitoes but there have been a handful of cases where the virus is believed to have been sexually transmitted, the most recent in Texas.
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