By CW69 News at 10

LOS ANGELES (CBSLA) – UCLA researchers have discovered the fundamental rule that allows the human body’s immune cells to be trained to aggressively respond to viruses, bacteria, and other invaders, the university announced Thursday.

UCLA researchers identified a molecular mechanism within macrophages, which are infection-fighting cells in the innate immune system, that determines whether and how well the cells can be trained to fight invaders.

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