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Every week we propose a challenge: guess what disease or pathogen lays behind images of diseased animals or organs.

Week of 04-Jul-2013

This hydropericarditis is due to:


Week of 17-Jul-2015

What is the disease associated with this lesion?

Week of 09-Jul-2015

What is the cause of this lesion?

Week of 03-Jul-2015

Which disease produces this lesion?

Week of 26-Jun-2015

What is the cause of this lesion?

Week of 19-Jun-2015

This lesion is produced by...

Week of 12-Jun-2015

Which of the following viral infections is associated with this lesion?

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