Charles Jules Henry Nicole
Charles Jules Henry Nicole
infection
I finally demonstrated that typhus infection is not hereditary in the louse.
guinea infection pig point practical preserving proved step useful
From the practical point of view, the susceptibility to infection of the guinea pig proved to be the most useful step forward. Today, all laboratories use this animal for preserving the virus.
contagion knew urgent
Of all the problems which were open to me for study, typhus was the most urgent and the most unexplored. We knew nothing of the way in which contagion spread.
contacts fortunate soon spite
The fact that I was fortunate enough to escape contagion, in spite of frequent, sometimes daily contacts with the disease, was because I soon guessed how it spread.