39.   runt disease

40.   Rust’s disease

41.   Ruysch’s disease

42.   saccharine disease

43.   Sach’s disease

44.   sacroiliac disease

45.   salivary gland disease

46.   Salla disease

47.   Sanders’ disease

48.   Sandhoff’s disease

49.   sandworm disease

50.   San Joaquin Valley disease

51.   Santavuori disease, Santavuori-Haltia disease

52.   Saunders’ disease

53.   Schamberg’s disease

54.   Schanz’s disease

55.   Schaumann’s disease

56.   Scheuermann’s disease

57.   Schilder’s disease

58.   Schimmelbusch’s disease

59.   Schlatter’s disease, Schlatter-Osgood disease

60.   Schmorl’s disease

61.   Scholz’s disease

62.   Schonlein’s disease

63.   Schottmuller’s disease

64.   Schroeder’s disease

65.   Schuller’s disease

66.   Schuller-Christian disease

67.   Schwediauer’s disease

68.   secondary disease

69.   Seitelberger’s disease

70.   self-limited disease

71.   Selter’s disease

72.   senecio disease

73.   septic disease

74.   serum disease

75.   Sever’s disease

76.   severe combined immunodeficiency disease (SCID)

77.   sexually transmitted disease

78.   Shaver’s disease

79.   shimamushi disease

80.   shuttlemaker’s disease

81.   sickle cell disease

82.   silo filler’s disease

83.   Simmonds’ disease

84.   Simons’ disease

85.   Sinding-Larsen disease, Sinding Larsen-Johansson disease

86.   sixth disease

87.   Sjogren’s disease

88.   Skevas-Zerfus disease

89.   sleepy foal disease

90.   small airways disease

91.   Smith-Strang disease

92.   Sneddon-Wilkinson disease

93.   specific disease

94.   specific heart muscle disease

95.   Spencer’s disease

96.   Spielmeyer-Vogt disease

97.   sponge-diver’s disease

98.   Stargardt’s disease

99.   startle disease

100.   Steinert’s disease

101.   sterility disease