...Absolute safetyagainst this contagion is secured only by a total avoidance ofthe walks of the infected animals, till repeated rains, or whatis better, frosts, have disarmed the virus of its malignity... 
Richard L. Allen 「Domestic Animals」
...They may infect others directlyor they may scatter the virus about, and the surroundings may become a futuresource of infection for healthy animals...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The virus is conveyed from one country to another chiefly by means ofinfected cattle, although infected hides, wool, and feed may play an importantpart in its dissemination...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...It is nowconceded that foot-and-mouth disease is propagated by a specific virus and thatevery outbreak starts from some preexisting outbreak...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Humanbeings may carry the virus on their shoes and clothing and transmit it on theirhands when milking, since the udder is occasionally the seat of the eruption...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Other authorities maintain that the virus is quitetenacious and may live in stables even so long as a year...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The disease may be inoculated from one animal to another, but only by insertingthe virus deeply below the skin...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...An extraordinary case of this pernicious influence, which is related byHartmann, who observed this epizootia at its decline in 1756, will givean idea of the subtlety of this malignant virus...
Honoré Bourguignon 「On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment」
...That frictions, with the hands impregnated with virus, having been madeover the skin, did not produce any ill effects...
Honoré Bourguignon 「On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment」
...But we regret to say, we have been forced to submit to evidence, and toacknowledge that the present infectious typhus is not the one we requireto provide us with the anti-typhoid virus...
Honoré Bourguignon 「On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment」
...From the appearance of the body and theevidence which had been adduced, witness was of opinion that the deathof the deceased was caused by the absorption of poisonous virus from thedead beast...
Honoré Bourguignon 「On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment」
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