| 单词 | influenza strains |
| 释义 | influenza strains They tested for antibody levels against nine different influenza strains that circulated from 1968 to 2009. The Sun When any animal becomes infected with two different influenza strains at the same time, these can swap genes to create an entirely new virus with unpredictable qualities. Times, Sunday Times The last two pandemics, in 1957 and 1968, involved influenza strains derived from birds. canada.com Vaccination of these workers against influenza and surveillance for new influenza strains among this population may therefore be an important public health measure. Retrieved from Wikipedia CC BY-SA 3.0 Most influenza strains can be inactivated easily by disinfectants and detergents. Retrieved from Wikipedia CC BY-SA 3.0 |
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