单词 | flu strain |
释义 | flu strain With each outbreak, experts rush to match a vaccine to the particular flu strain. Smithsonian Mag It protects against the dominant flu strain in circulation and has a shelf life until the end of this year. The Sun Nothing will more rapidly aid a resistant flu strain to be widespread this winter. Times, Sunday Times With a mutant flu strain taking infections to a four-year high, there are fears that nonurgent operations and tests could be cancelled if it becomes a large-scale outbreak. Times, Sunday Times For instance, government might order mass vaccination with a pre-pandemic flu strain. Times, Sunday Times |
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