Live vaccines such as the one for yellow fever can be risky for those over 60 or 65, Dr. McKinney warns, because of a higher likelihood of side effects. Patients taking steroids, which lower resistance to viral infection of any kind, are also less likely to have a good response to a vaccine.
麦金尼博士警告说,黄热病疫苗等活疫苗对60或65岁以上的人会有危险,因为产生副作用的可能性较大。服用类固醇的病人也可能对疫苗的反应不佳,因为类固醇会降低人体对各种形式病毒感染的抵抗力。
It's also important to be up-to-date on routine vaccinations such as flu and tetanus before leaving the U.S. A shingles vaccine for those over 65 can reduce the chance of being struck with a painful and debilitating case of the virus, which is related to childhood chickenpox. Measles are also a growing concern in Europe, Dr. Kozarsky says. If you're unsure whether you had measles or a childhood vaccination for it, a blood test can determine if there are antibodies to the disease.
还有很重要的一点是,在离开美国前应接种最新的流感和破伤风等常规疫苗。65岁以上者接种带状疱疹疫苗能减少严重感染这种病毒的几率,这种病毒与儿时的水痘有关。科扎斯基博士说,麻疹在欧洲也日益受到关注。如果你不确定自己是否得过麻疹或小时候接种过疫苗,那么血液化验可以判定你是否有麻疹抗体。
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