Word: viral
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...part, inspired Mead's exploration of other cultures helped bring about a vaccine for polio and the invention of the geodesic dome. Salk developed the polio vaccine after he challenged the wisdom fed to him in medical school that only living viruses could be used to vaccinate against viral diseases. Fuller developed the geodesic dome after he discarded the square and turned to the triangle as the most stable figure in nature. His domes, built from a collection of triangles, enclose, per pound of material, 30 times the unobstructed interior space of any known alternative clear-span engineering system...
Reye Syndrome. This malady primarily attacks children between the ages of five and eleven. No cause has been identified, but the syndrome has been linked to viral illness, commonly striking its young victims as they recover from chicken pox or influenza. The symptoms, described by Australian Pathologist R.D.K. Reye in 1963, are severe vomiting, followed by lethargy and later by personality changes, convulsions, coma and even death. The syndrome is rare. Last year fewer than 600 cases occurred in the U.S., mostly during the flu months of January, February and March. Both the public and physicians are becoming more familiar...
...killed nearly 10 million birds, or about 1% of the 1.25 billion commercial chickens alive and scratching in the U.S. at any one time. Drought drove up grain prices, making the fowl more expensive to feed and buy. Now comes still another peril: so-called exotic Newcastle disease, a viral disorder that attacks chickens as well as a wide variety of other birds...
Hepatitis B can be among the most unpleasant of illnesses. In its more severe form, the viral liver infection produces a loss of appetite, vomiting, fatigue and jaundice. In some cases, the infection leads to cirrhosis or perhaps even cancer of the liver. The villain virus appears in the blood, saliva, semen or breast milk of about 200 million human "carriers" who may show no signs of the disease but can transmit the virus to others...
...newly fertilized mouse eggs kept alive in laboratory dishes. The eggs were then carefully transferred to the wombs of female mice and eventually the foster mothers gave birth to 150 infants. The newborns were promptly killed, and the DNA was extracted from their tissues for study. Portions of the viral genes were found in two of the mice. Presumably the genes had been present in every cell of those animals...