Word: infectivity
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Rust has another way of wintering. When the weather begins to get cold in the north, the fungus produces black, cold-proof spores. These spend the winter on straw or stubble. In spring, they germinate, sending out small spores that infect barberry bushes. Up to 70 billion vigorous spores can form on an average barberry bush. Each spore can start a fast-spreading infection in a stand of wheat...
...evidence that "you don't catch a cold-you have it," Dr. Kerr told how he and fellow workers at the University of California tried to infect subjects with another person's cold. People without colds would play cards or work jigsaw puzzles for hours next to a sneezing, sniffling victim; others drank from glasses smeared with a cold sufferer's sputum. Even so, said Dr. Kerr, his healthy subjects failed to catch colds...
Demolishing monotony is a worthy goal, and a far better one than a naive attempt to infect the College with Rah Rah. In fact, the Key seems to be organizing the whole project fairly intelligently--there is a good chance that the project will avoid the sort of snares and pitfalls that finessed the all-college dance plans last year and ended the class of '51 dance...
...combination because streptomycin, more than any other of the antibiotics, tends to develop resistant strains of germs. Some strains learn to live with it, even becoming dependent on it-as if a rat began to fatten on rat poison. The resistant strains can be highly dangerous; if they infect another victim, he cannot be cured by streptomycin or anything else yet known...
...advertising firm of Frank L. Howley & Associates, was full of black vengeance and pink optimism. Said the new boss of Military Government in Berlin's U.S. Sector: "If we bring food into Berlin, the only reason is that we don't want their rotten [German] corpses to infect our troops . . . The Russians have played their cards right across the board and all suspicion is gone." But the colonel learned better...