미군 의무장교가 제주읍에서 7건의 천연두가 발생했다고 보고했다. 추가 지시가 있을 때까지 군인들에게 제주읍의 출입을 제한하도록 했다.
CONFIDENTIAL
From: 1800I 26 Jan 46
To : 1800I 27 Jan 46
G-2 PERIODIC REPORT
HQ, 6TH INF DIV
Chonju, Korea
1900I 27 January 1946
No. 101.
5. Miscellaneous.
c. In CHEJU CITY (952 - 1148), seven cases of smallpox have been reported by a U.S. medical officer. CHEJU CITY has been placed off limits to troops until further notice.