viral infection

The ultimate guide to travel vaccinations

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Wherever your journey takes you, whatever the purpose of your trip, information about the likely health risks at your destination – and how to reduce them – is an essential part of ensuring a successful and enjoyable holiday. A specialist travel clinic is a good place to start, for a careful assessment of your previous … Read more

How an ancient virus made our brains complex

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An ancient viral infection may have given animals the tools to become fast, coordinated and smart, a study has found. According to a paper published Thursday in Cell, complex nervous systems emerged in the distant past after viruses inserted bits of code into the genomes of vertebrates — animals with spinal cords, from humans to … Read more