“…Further support for an infective cause was sought in the laboratory, but with no success (Lemon, 1962). By the 1970s otologists were starting to reject the viral theory (Dawes, 1970;Cowan and Brown, 1973;Rapp and Fahey, 1973), the lack of evidence being confirmed in an editorial in the Lancet (1975). The search for an infective agent continues, however.…”