Word: germ
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Dates: during 1920-1929
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Influenza germ reported discovered...
This relatively light incidence of influenza has not, however, abated fear of and interest in this respiratory disease. When the University of Chicago officially announced that its Isidore Sydney Falk had isolated the causative germ, the Streptococcus polymorphous (TIME, Dec. 23), the news spread with the celerity of a political or murder despatch. From London Dr. David Thomson, who has worked on the same problem, said: "Proving that one has discovered the true germ of influenza is in reproducing the disease in man or in animals by this germ in pure cultures . . . this is a very important part...
Supplemented Dr. William Hallock Park, Manhattan's great bacteriologist: "... A very thoughtful piece of work, whether or not he has found the influenza germ...
This polymorphous streptococcus is the changeable germ which Harvard's great hygienist Milton Joseph Rosenau told an American Medical Association Convention 13 years ago was probably the cause of many baffling infections...
From the throat of Ruth M. McKinney, one of the graduate staff working for a doctor's degree, they secured the most useful cultures. It was of the polymorphous streptococcus. It "looks like a microscopic chain of unmatched beads which a child has strung together." When this germ collects into minute, smooth colonies in the blood, it causes a cold or mild influenza. When the colonies become rough, the influenza grows severe, virulent. With the specific cause of influenza thus recognized, an intelligent way of treatment and a vaccine for prevention lies in purview...