...Thecat, in dire offense, scratched his nose with a quiteunnecessary virulence and fled up a tree, spittingand yowling, tail fluffed out as thick as a man'swrist... 
Albert Payson Terhune 「Lad: A Dog」
...On the other hand, it is known that the serum from affected lungs retainsits virulence and may be used successfully for inoculation weeks or monthsafter the death of the animal from which it was taken...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...There were, consequently, four degrees of virulence noted in these 39cultures of bacilli from human sources and three degrees of virulence in the 7cultures from animal...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...These experiments and observations indicate that the types of tuberclebacilli are very inconstant, and that under suitable conditions they readilychange both in morphology and in virulence...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The virulence of the poison does the rest...
J. H. Fabre 「The Wonders of Instinct」
...The virulence decreases with the age of the cultures...
David E. Lantz 「House Rats and Mice」
...And with the lowering ofresistance and the lack of sufficient sanitary arrangements, diseasebegan to spread with ever increasing rapidity and virulence...
Various 「Astounding Stories, July, 1931」
..."Well I'll be—Interference! Deliberate blanketing! The rats! The—"He blazed into a torrent of profanity whose imaginativeness wasmatched only by its virulence...
Arthur Leo Zagat 「The Great Dome on Mercury」
...In the year 1789 they were visited by a disorder which raged among them with all the appearance and virulence of the small-pox...
David Collins 「An Account of the English Colony in New South Wales, Vol. 1」
ランダム例文：
Gurley hemoglobin instigation
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