Charles Jules Henry Nicole , scientist
said about Nature, Day, Man...
"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 Read all Charles Jules Henry Nicole quotes, or find out more about Charles Jules Henry Nicole
"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
- Charles Jules Henry Nicole