Comparison of percentages of positive reactions to the tuberculin test by the Saipanese schoo! children with those of Wisconsin school children wasstartling: ” Age : Percentage positive Saipan | - Percentage ' positive in ' 100,000 cases in Wisconsin Po ee |; 39.3 bec b ebb b bebe b bev env bnnnns ‘| Bo ee ihk eee i 9... | $9.6 WO eee, | 62.4.0 c cee eee 11 OB. ccc eee 1200. | 63.9 ss 64.600 nee, 14 ee, : 80.6 Be BOP] 16.00... 0 SPD bene e ee a Vo, | 81.8 ee i 5 9.3 13.9 Intestinal parisitism was found in more than half of the people examined, especially in children from 5 to 14 years of age. The incidence for each district except Ponape ‘was Saipan, 79.3 percent; Palau. 64.5 percent; Truk, 19.3 percent; * Marshall Islands, 47.7 percent. The most prevalent intestinal parasites were hookworm,23.1 percent; trichuris, 22.3 percent, ascaris, 17.2 percent. The most serious type found was amebiasis. Yaws, which in its active form had been as high as go percent in some areas in 1946, had been practically obliterated by the time the WHIDBEY made its survey, but scars were mute evidenceofits former high incidence. Of the more than 25,000 people given Kahn tests, however, these percentages had positive reactions: Saipan, 30.4 percent; Palau, 65.4 percent; Truk, 82 percent; Marshalls, 38.1 percent. A reaction was considered likely evidence of the presence of yaws because malaria did net exist and syphilis, leprosy, and infectious mononucleosis rarely occurred. Very few cases of leprosy were found by the WHIDBEY. Although the doctors noted 83 clinically suspicious cases in the Saipan * CivAdSaipan Med Off ltr ser FFr2(6)/P3-1 WJH:rsb dtd 18 Jun 4h. _ Chest A-rays only were given in the Ponape District. * Statistics are for Truk Atoll only. 848 5065988