November 27, 2014 | Rohan

I'm sure we're safe from Ebola here in the UK, but life is very different for the millions at risk in west Africa.

Scientists worldwide are hard at work on vaccines against the virus. A recent US trial of a new vaccine looks positive, with volunteers showing a strong immune response. The vaccine is made from a genetically engineered chimpanzee cold virus.

Though this 'phase 1' trial was small, it showed the vaccine is safe - and the next step is to move ahead with a larger trial in west Africa.

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Volunteers received a large or small test dose of the vaccine to test its safety. Some people got a slight fever, but nothing more.

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Image: Flickr/niaid

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