Word: infectivity
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...material is a toxoid. The standard method of preparing scarlet fever antitoxin has been to infect a horse with the disease and let his blood manufacture the antitoxin. Although useful, this antitoxin occasionally causes sharp reactions, is unpleasant...
...under certain conditions of disability. For some reason doctors and nurses seldom contract pneumonia from their patients. But others may contract the disease in such numbers that an epidemic develops. Sunlight kills all types of pneumococci very rapidly (within iJ hours). In dark rooms the germs may live and infect for ten days...
...million acres of hay raised per year would chew up 30 million dollars worth of hay. They kill trees, chew up gardens, nibble at stored grain. It is estimated that Connecticut has lost $500,000 in fruit crops during years when mice were plentiful. Sick mice infect pigs with erysipelas; pigs pass it on to humans...
...Agent before the Mixed Claims Commission, grizzled Robert Williams Bonynge, Manhattan lawyer, Harding appointee, charged last week that in 1915-16, when the U. S. and Germany were still at peace, the Imperial Government sent over secret agents who committed sabotage throughout the U. S., hired Negroes to infect horses with anthrax germs in New York City, Newport News (Va.), and Baltimore, hired other Negroes to touch off such mighty munitions explosions as New Jersey's famed Black Tom blast...
...German officials have testified that no use was to be made of those incendiary devices [in the U. S.] until America entered the War because they did not want to antagonize American public opinion. Yet is it possible to believe the Germans would infect horses and mules and refrain from blowing up munitions plants? No more dastardly thing could be done by any government than spreading germs which not only killed animals but endangered human life as well...