<prompt> Winter bottom sign in sleeping sickness caused by T. brucei Gambiense refers to:Unilateral conjunctivitisPosterior cervical lymphadenopathyNarcolepsyTransient erythema  <response>: Ans. is b i.e., Posterior cervical lymphadenopathyRef: Harrison, 18the, p. 1720; 17the, p. 1304 Lymphadenopathy, particularly of the posterior triangle of the neck - Winter bottoms sign. 