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Charles Jules Henry Nicole Quotes

My first attempts to transmit typhus to laboratory animals, including the smaller species of monkeys, had failed, as had those of my predecessors, for reasons which I can easily supply today Picture Quote #1

At the time when I was conducting my research there was no known method for taking the guinea pig’s temperature. I demonstrated a technique which is now widely used Picture Quote #1

I finally demonstrated that typhus infection is not hereditary in the louse Picture Quote #1

It did not seem likely that I was destined to undertake research on typhus Picture Quote #1

At the time when I was conducting my research there was no known method for taking the guinea pig’s temperature. I demonstrated a technique which is now widely used Picture Quote #1

Even if it had not been possible to reproduce the disease in animals and consequently to verify the hypothesis, this simple observation would have been sufficient to demonstrate the way in which the disease was propagated Picture Quote #1

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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 Picture Quote #1

I demonstrated the characteristics of experimental fever. It appears after an incubation period which is never less than five days. It follows the same pattern as natural fever in man, but is of shorter duration and less pronounced Picture Quote #1

Just as the only reservoir for the typhus virus in nature is provided by man, so the only vector of infection is the louse. The bite of the louse is not virulent immediately after the infecting meal. It becomes so only towards the 7th day following infection Picture Quote #1

The discovery that I soon made that the guinea pig was also susceptible to infection made it possible for me, from the third year on, to preserve the virus on this animal Picture Quote #1

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 Picture Quote #1

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My first attempts to transmit typhus to laboratory animals, including the smaller species of monkeys, had failed, as had those of my predecessors, for reasons which I can easily supply today. (Charles Jules Henry Nicole Quotes) At the time when I was conducting my research there was no known method for taking the guinea pig’s temperature. I demonstrated a technique which is now widely used. (Charles Jules Henry Nicole Quotes) I finally demonstrated that typhus infection is not hereditary in the louse (Charles Jules Henry Nicole Quotes) It did not seem likely that I was destined to undertake research on typhus (Charles Jules Henry Nicole Quotes) At the time when I was conducting my research there was no known method for taking the guinea pig’s temperature. I demonstrated a technique which is now widely used (Charles Jules Henry Nicole Quotes) Even if it had not been possible to reproduce the disease in animals and consequently to verify the hypothesis, this simple observation would have been sufficient to demonstrate the way in which the disease was propagated (Charles Jules Henry Nicole Quotes) 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 (Charles Jules Henry Nicole Quotes) I demonstrated the characteristics of experimental fever. It appears after an incubation period which is never less than five days. It follows the same pattern as natural fever in man, but is of shorter duration and less pronounced (Charles Jules Henry Nicole Quotes) Just as the only reservoir for the typhus virus in nature is provided by man, so the only vector of infection is the louse. The bite of the louse is not virulent immediately after the infecting meal. It becomes so only towards the 7th day following infection (Charles Jules Henry Nicole Quotes) The discovery that I soon made that the guinea pig was also susceptible to infection made it possible for me, from the third year on, to preserve the virus on this animal (Charles Jules Henry Nicole Quotes) 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 (Charles Jules Henry Nicole Quotes)