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Scary but colourful characters.

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Thomas Kern was born in Switzerland in 1965. Trained as a photographer in Zürich, he started working as a photojournalist in 1989. He was a founder of the Swiss photographers agency Lookat Photos in 1990. Thomas Kern has won twice a World Press Award and has been awarded several Swiss national scholarships. His work has been widely exhibited and it is represented in various collections.

Viruses come in all shapes and sizes. Here’s a selection of some of the more dangerous ones lurking out there. (Thomas Kern, swissinfo.ch; pictures: CDC)

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SWI swissinfo.ch - a branch of Swiss Broadcasting Corporation SRG SSR

SWI swissinfo.ch - a branch of Swiss Broadcasting Corporation SRG SSR