Papules, pustules, vesicles..where does this come from ?
Description of primary and secondary lesions is the ground for modern dermatology and the classification of skin diseases. From 1798 to 1808, different parts of a book called “On cutaneous diseases” was published by the British dermatologist Dr Robert Willan (1757-1812) He also described erythema infectiosum occuring in childhood. The disease is also known as…