Word: bacterias
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Dates: during 1990-1999
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Thanks to the immune system's capacity for memory, when the individual encounters the virus or bacteria later on in their lives, their immune system can respond quickly and efficiently to prevent the disease...
Physicians use vaccines against viruses, such as the measles, polio, mumps, or rubella, against bacteria, such as typhoid and salmonella, and against bacterial toxins, such as pertussis, tetanus and diphtheria. Each type of antigen, however, requires its own strategy...
...does the Hall-Stillman experiment involve genetic engineering -- the cutting and splicing procedures by which DNA strands within the nuclei of cells are mixed and matched. In one kind of genetic engineering, scientists have inserted human genes into the DNA of bacteria in order to mass-produce insulin and other human proteins. They have also experimented with therapies that involve replacing genes in human patients who either lack those genes or whose genes are defective. The George Washington research required none of that. The cells were just copied with their genes intact -- a far simpler process. Simple enough, in fact...
...Dipping raw oysters in Louisiana hot sauce may be frowned upon in fancy French restaurants, but it could keep an aficionado out of the hospital. In laboratory tests, the spicy flavoring killed four kinds of bacteria that can contaminate shellfish and that cause ailments ranging from mild diarrhea to potentially fatal blood poisoning...
...David S. Rosenthal '59, director of UHS, said that since some bacteria "cause infections that are immediate or long-term, it might not have been what he [Theriault] ate in the last 24 hours...