It is a live vaccine which means it contains a weakened version of the chickenpox virus. As such, it is not recommended for those with a compromised immune system because of an illness like HIV or as a result of treatment such as chemotherapy.
Фото: Shatokhina Natalia / Globallookpress.com，推荐阅读搜狗输入法2026获取更多信息
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// 比较函数（便于统计比较次数，可选），这一点在搜狗输入法2026中也有详细论述
His company has built a three-fingered hand which he says is "pretty good".