If you have diabetes complications or you're age 65 or older, you may need a five-year booster shot.
你如果有糖尿病并发症，或者年龄为6 5岁及以上，你需要做五年注射一次的支持者。
She said she believed that at least one booster shot, and probably more, would be needed over a lifetime.
她说，她认为要得到终身保护至少要加强一针，或许更多。
Spokesmen for Merck and Glaxo say all indications are that their vaccines are safe and effective, and there is no evidence that a booster shot will be needed.
默克和葛兰素的发言人说所有证据表明疫苗是安全有效的。没有证据表明需要再加强注射一针。
Spokesmen for Merck and Glaxo say all indications are that their vaccines are safe and effective, and there is no evidence that a booster shot will be needed.
默克和葛兰素的发言人说所有证据表明疫苗是安全有效的。没有证据表明需要再加强注射一针。
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