Honoré Bourguignon, On the cattle plague: or, Contagious typhus in horned cattle…
“ The cattle plague, which has lately fallen upon horned beasts, is a plague, no doubt: but there are different species of plagues, and it is necessary that you should know that this [Pg 282] disease is one arising from the absorption of seeds and germs with which the air is impregnated, and which is drawn by the animals into their bodies when breathing the air around them. When these germs, these infectious poisons, have penetrated into the lungs and blood of the animals, these seeds of infection remain there from eight to twelve days without producing any very perceptible effects ”
