dates of the testing
测试日期
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Schuchat urged the public not to be alarmed if expiration dates for some of the liquid Tamiflu have passed, because the Food and Drug Administration extended them "after careful testing" to ensure they are safe and effective.
CNN: H1N1 vaccine on schedule, official says
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