Word: triggered
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Dates: during 1960-1969
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...fire with soldiers and security police who moved on the barracks, and then fled. The Under Secretary for the Army, Lieut. Colonel da Fonseca. raced down from Lisbon to take charge, but as he approached the barracks on foot he was shot dead, probably by one of his own trigger-happy men. Two insurgents were killed at Beja and 13 captured, including the badly wounded Varela Gomes. Five more were seized at a fishing port, where they had hoped to escape...
Disappearing Trigger. Cancerous mutations, which are hereditary within cell lines, can be produced by X rays, ultraviolet light, some chemicals, and viruses. Different as these factors seem, said Dr. Horsfall, they are probably identical in that they operate only to produce the first mutation. After that, the cells go on multiplying abnormally, true to their mutant genes, even though the agent that caused the mutation is no longer present. This would explain why viruses that may have triggered human cancers cannot be found after the disease appears...
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...