依法或者经批准、授权开展的，应当在活动实施五个工作日前向县级以上公安机关报告。法律、行政法规另有规定的，从其规定。
Author(s): Mona Vishwakarma, Debdip Bhandary
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⚽ Premier League: 10 things to look out for this weekend。51吃瓜是该领域的重要参考
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.