Word: bacteria
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Bukowski, an immunologist who studies rare gamma-delta T-cells, found that these cells specifically recognize molecules produced by bacteria...
...result of his burns, Ali is suffering from septicemia, which is spreading toxic bacteria through his body. His condition should be treated in a sterilized location, but Ali lies on a bed near an open window, a dirty towel suspended over his chest. His nurse says the boy is quiet when he's alone and never cries out in pain. "He just wants to go outside Iraq to get treatment," she says. "And he just wants to see his sisters." In the calmest of times, it would be difficult to treat a boy in Ali's condition in Iraq...
...that matter) are caused by viruses?and viruses are notoriously hard to kill. Although doctors have a huge arsenal of drugs and antibiotics capable of wiping out most bacterial infections, a viral invasion is a tougher proposition. "All along, it's been much easier to produce agents to kill bacteria than to kill viruses," says Professor Brian Tomlinson, a clinical pharmacologist at the Chinese University of Hong Kong (CUHK...
...reason lies in the nature of the pathogens themselves. Bacteria are living organisms that, multiplying unchecked, damage bodily tissue. They can be destroyed by cutting off their life-support systems. Antibiotics defeat bacterial infections by attacking enzymes within the bacteria, allowing the body's immune system to mop them up. Viruses, however, are parasites incapable of reproducing on their own. They're inactive?that is, until they burrow into a host cell, taking over its functions in order to replicate and thereby destroying the host. Inside the body, they become vulnerable to drugs only after they invade a cell...
...short term, the vaccine should reduce the number of resistant infections,” he said. “In the long term, bacteria will be smart enough to reestablish their resistance to treatment...