In June, 1957, a rabid wolf near Chinju, Korea attacked and bit 18 persons, and the resulting epidemiologic observations are summarized as follows:
(1) Five of 18 persons bitten died of rabies.
(2) Ten persons were exposed by bites on the head, of which 5 received Pasteur treatment, and 5 did not. The rabies mortality ratios for these 2 groups were 5:3, and 5:1 respectively.
(3) Of 8 persons bitten on the extremities, only one of 5 not receiving Pasteur treatment died of rabies.
(4) The incubation period lasted 13 to 17 days, and the clinical course 1 to 2 days.
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