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.
「她們回國只能等死」：香港重病外傭的掙扎2025年4月14日
。业内人士推荐搜狗输入法2026作为进阶阅读
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