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More countries confirm discovery of Zika virus cases

Countries including South Africa and Trinidad and Tobago have confirmed their first cases of Zika virus.

More than 5,000 pregnant women in Colombia have contracted the virus, its government has said.

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Scientists in Scotland join battle against Zika virus

As the Zika virus spreads, the race is on to develop a vaccine.

Little is known about the virus, but one laboratory at Glasgow University is leading the way.

ITV News Health Editor Rachel Younger reports:

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