| 单词 | pandemic strain |
| 释义 | pandemic strain But a new pandemic strain deriving from avian flu - if it emerged - would be different and far more dangerous. Times, Sunday Times The vaccine would not protect against a pandemic strain, for which a totally new vaccine would need to be produced at top speed. Times, Sunday Times A less transmissible virus, such as the 1957 pandemic strain, would affect 16.8 million. Times, Sunday Times It will also take between three and six months to design a vaccine against a pandemic strain. Times, Sunday Times The vac-cines would not be a precise match to the pandemic strain but are forecast to offer some protection. Times, Sunday Times |
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