Notes en certain paris ef the State of Ohio. 233 
Dur epidemic disorders are these common to the eastert 
and middle states. ‘The measles, whooping cough, and in- 
fluenza, occasionally visit us. he whooping cough has 
been wandering thr ough different parts of this: county and 
the counties adjoining, .for these three years past, and 
has not wholly left us yet. When children have been ill 
about two weeks with this disorder, it has been found that 
vaccination very materially lightens and shortens its effects. 
have known it to have this ‘result, in several instances, on 
children under my care. 
he influenza _ has not been general through the country 
since the year Ls At that time it overspread the United 
States he summer and autumn of 1807 were gmusually’ 
sickly, through that part of the county bordering on t 
Ohio; and not only in this county, but cama so 
through the whole extent of the river. he settlements 
distant iam the large streams were as healthy as usual. 
he season was unusually wet, and the repeated rise and 
fall of re Ohio, and tributary streams, in the heat of sum- 
mer, leaving great quantities of mud and putrefying vegeta- 
ble ces, to generate noxious effluvia, was, without 
doubt, the cause of the sickness. The disease was a bilious 
remitting fever ; in some instances nearly approaching to the 
peal er. About forty died with this fever in Marietta. 
n the country above and below Marietta it was not so fatal. 
is place seems to have been the focus of its virulence. 
Since that time, this town, and the rw! generally, pod 
been healthy. In March and April, 1816, the peripne 
monia typhoides, or, as it was usually called, the « cold ea aa 
prevailed in the northern this county, in the 
ments on Duck creek. It was very mortal in its commence- 
ment, but grew more mild as the spring advanced. It was 
Was alee very violent and fatal in Roxbury township, on the 
skingum river; about thirty dying with the disease in 
that small ang a In Marietta, only one or two cases 
came within my & nowledge. Our dis orders | are mostly of 
reason that consumptions are not more pean amongst us. 
inclining a little to inflammatory i in the winter, and more 
purely typhus in the summer. Pt disorders most common 
VOL. XI.—No. 2. 
