“…The first was neurological. Myelopathy is an uncommon disease: in this subregion of Wales in 1957 only 2 out of 13 neurological cases associated with Asian influenza had signs of myelopathy (McConkey and Daws, 1958; Wells, James, and Evans, 1959); and during the 1962 smallpox epidemic, out of 20 cases with central nervous disorder which followed 800,000 vaccinations only one had transverse myelopathy (Spillane and Wells, 1964).…”