HOBART MINNICK, son of S. V. Minnick, R. D. No. 2, Carthage.
Vaccinated Sept. 22.
Commenced to complain Oct. 2 (10 days).
Recovered.
This boy, age 13, brother of Ruth Minnick, was vaccinated
from same capsule as sister who died; was very sick with
symptoms “about like the girl,” but recovered with no serious
consequences. It appears almost certain that this was what
may be called an “abortive” or “arrested” case of infantile
paralysis. The fact that he was vaccinated simultaneously
with his sister, who died of a transparent case of infantile
paralysis, is strong presumptive evidence of a common origin
of the two cases in the vaccine. Cumulative evidence of
this common origin in the virus, and of the possibility of
transmitting infantile paralysis by means of the vaccine
abrasion, is found in a _third case in the same house_, as
follows: