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patients in the hospital — from two to three days — is far short 

 of the time required to cure cases of malaria. Furthermore, 

 the routine treatment administered is not such as to lead me to 

 expect any permanent cures, and with the lack of systematic 

 after-treatment it would be strange, indeed, if the majority of the 

 cases did not recur. 



So far as the immediate problem is concerned then, I consider 

 it a medical rather than a sanitary problem. 



The following experiences caused me to feel sure of that which 

 I had strongly suspected; namely, that many cases never come 

 under the observation of a physician at all and do not appear on 

 record anywhere, officially or otherwise. 



As a member of the commission, one of the duties apportioned 

 to me was that of making a house-to-house inspection of the 

 three camps, Lubang, San Jose, and Mindoro. These inspections 

 were made at various times. 



On January 14, at about 2 p. m., I visited the most distant 

 part of San Jose camp, extending along the Busuanga River bank. 

 In the 5 houses nearest the end of the river row, I found 7 persons 

 suffering with fever. Blood smears for examination were taken 

 from all, and directions to visit the hospital were given. Only 

 one person did so. Upon inspection of the same houses on the 

 morning of January 15, I found that 6 of the 7 had returned to 

 work. Upon the second visit, 5 new cases were encountered — 

 all cases of malarial fever. None of these individuals had ap- 

 plied for treatment or was receiving it, and none is officially on 

 record except the one who was persuaded to visit the hospital. 

 These cases from San Jose included both simple tertian and 

 malignant tertian (aestivo-autumnal) cases, and parasites were 

 found without difficulty. 



On January 17, while inspecting a cookhouse in the Mindoro 

 camp, the head cook was found shaking with a chill. His blood 

 contained malaria parasites. 



On January 17, at 2 p. m., I visited a row of houses (4 

 barracks) in Lubang camp, and found 13 cases and took blood 

 specimens from all. 



The rest of the barracks, 22 in number, were then imme- 

 diately inspected by another member of the commission (at 3 

 p. m.), who reported that about 50 persons were at home with 

 fever at the time of his visit. About 30 blood smears were 

 taken. Men, women, and children were included in this number 

 of persons. None of the fever cases was "officially" sick, and 

 none of the 26 cases casually discovered by me was under 

 treatment. 



