 | 1901 - 478 sider
...previously fed on the blood of those sick with this disease. 3. An interval of about twelve days or more before the mosquito is capable of conveying the infection....Yellow fever can also be experimentally produced by the subcutaneous injection of blood taken from the general circulation during the first and second... | |
 | John Harvey Kellogg - 1900 - 598 sider
...that has previously fed on the blood of those sick with this disease. "3. An interval of about twelve days or more after contamination appears to be necessary...conveying the infection. "4. The bite of the mosquito at any earlier period after contamination does not appear to confer any immunity against subsequent attacks.... | |
 | 1901 - 524 sider
...that has previously fed on the blood of those sick with this disease. "3. An interval of about twelve days or more after contamination appears to be necessary...conveying the infection. " 4. The bite of the mosquito at any earlier period after contamination does not appear to confer any immunity against subsequent attacks.... | |
 | 1901 - 1094 sider
...that has previously fed on the blood of those ill with this disease. (3) An interval of about twelve days or more after contamination appears to be necessary...conveying the infection. (4) The bite of the mosquito at any earlier period after contamination does not appear to confer any immunity against subsequent attacks.... | |
 | 1901 - 848 sider
...that has previously fed on the blood of those sick with the disease. 3. Au interval of about twelve days or more after contamination appears to be necessary before the mosquito is capable of conveying the disease. 4. The bite of the mosquito at an earlier period after contamination does not appear to confer... | |
 | 1925 - 734 sider
...transmits the fever from a patient to a susceptible individual. 2. An interval of twelve days or more appears to be necessary before the mosquito is capable of conveying the infection. 3. "An attack resulting from experimental infection from the mosquito conveys immunity, just as does... | |
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... 3. An interval of about twelve days or more after contamination appears to be necessary before the mosquito is capable of conveying the infection. 4. The bite of the mosquito at an earlier period after contamination does not appear to confer any immunity... 
