In 2006 researchers from the Hebrew University in Israel isolated a variant of the virus that causes Newcastle disease, a highly contagious disease in birds that can kill.

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Measles is a highly contagious disease characterised by a high fever and a rash.

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Swine flu is a contagious respiratory disease that affects pigs and can jump to humans.

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The CDC describes swine flu as a contagious respiratory disease that affects pigs.

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Pertussis, or whooping cough, is a highly contagious disease caused by bacteria that can lead to severe upper respiratory infections.

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Whooping cough is a highly contagious disease that can strike people of any age but is most dangerous to children.

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Swine influenza, or flu, is a contagious respiratory disease that affects pigs.

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Cholera is a highly contagious disease that causes severe diarrhea and vomiting.

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Hepatitis C is a contagious liver disease that can lead to liver failure and death, according to the Centers for Disease Control and Prevention.

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Dr Marion Lyons, director of health protection for Public Health Wales, said measles was a very contagious disease that would be contracted by 90% of unvaccinated people who came into contact with cases.

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Measles is a highly contagious infectious disease characterised by a high fever, a rash and generally feeling unwell.

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Despite this, PHW said large numbers of people aged 10-18 years still have not had a jab which could prevent them from contracting measles, a highly contagious and potentially fatal disease.

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Professor Lipkin is one of the leading advocates of a global early warning system for contagious disease to reduce the risk of the sort of pandemic seen in Contagion.

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Because the worst thing that could happen would be to have a disease that travelled and was very, very contagious.

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