From today a weekly dose of thiamin, supplied by Dr. Selwyn-Clarke, is added to the internees' soup. This halts an epidemic of wet beri beri: there were 84 cases in May, 65 in June, 8 in July and none in August.
Starting in June the thiamin is adminstered in a daily dose of 3 milligrams, which proved to be more effective.
Source:
Geoffrey Emerson, Hong Kong Internment, 1973, 150
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