Word: triggering
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Where these infectious molecules might come from and what might trigger them into activity at unpredictable times are still mysteries. Perhaps they are inherited, and lie dormant for decades. This would go far to explain why some cancers, though not hereditary in the ordinary sense, tend to run in families. Or they may come from virus infections of the mother during pregnancy: if they cross the placental barrier, they could lodge in the fetus, which has little or no antibody-forming mechanism to reject them...
...caused brain inflammation, more prevalent in Asia and Europe than in U.S.). Vaccines to date have been unsatisfactory or actually dangerous for man. Work is in progress on virus found in Malayan rodents in hopes that its protein overcoat will prove to be of a basic pattern that will trigger formation of antibodies against several close-kin viruses...
...electrons in an atom are already at the higher levels, incoming radiation of the proper frequency can "trigger" their fall, thus producing new radiation of the same frequency as the original signal and in effect amplifying...
...achieved neither objective, despite a campaign of imprisonment, expulsion and dinning propaganda. Last week Castro's men attempted to interfere with a religious procession in Havana. Their reward was the first open anti-Castro riot by Cuba's increasingly restive populace-a riot that Castro's trigger-happy militia put down only by firing into the crowd...
This year the familiar match took a new turn: President John F. Kennedy himself stepped in to warn steelmen that they would only spur inflation and court higher taxes if next month's annual pay boost in the steel industry should trigger higher prices. Last week, in a steely cold reply, U.S. Steel Corp. Chairman Roger Blough, a onetime schoolteacher, lectured Jack Kennedy like a Dutch uncle...