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shift |
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shift the displacement of rocks, esp layers or seams in mining, at a geological fault
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Antigenic shift and increased incidence of meningococcal disease. Antigenic shift is a major and abrupt genetic reassortment, made possible when two subtypes exchange genetic material. Here's where the antigenic shift comes in: If chromosomes from the two viruses recombine within infected cells in just the right formula, they can spawn a new virus with antigens that the human body may not recognize. |
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