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To the Editor:—
The editorial on epidemic hepatitis in The Journal, November 6, was of considerable interest to me. At Yale the records show that we have had three epidemics of jaundice in the past twenty-two years, the largest, of 119 cases, being in the academic year 1921-22, with 59 cases in 1935-36 and 89 cases in 1938-39. In the 1921-22 epidemic 63 cases had their onset within a fifteen day period in November. In 1935-36 22 cases occurred in January and February and 25 in April and May, and in 1938-39 40 cases occurred in the months of January and February 1939. In the intervening years the incidence has varied between 4 in 1942-43, when our student body was depleted, to 42, with an average of 22 cases a year and a median of 21.A report of the 1921-22 epidemic was published by Hiscock and Rogers in The
Rogers OF. EPIDEMIC HEPATITIS. JAMA. 1943;123(16):1066–1067. doi:10.1001/jama.1943.02840510060020
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