The epidemic character of poliomyelitis was first noted by Medin. The disease is also known as “Heine–Medin disease” from the descriptions given by these two writers (see also No. 4664). German version in Verh. X. Int. Med. Kongr., 1890, 2, Abt. 6, 37-47, 1891. English translation in Bick, Classics of orthopaedics, 116-23.