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.
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，这一点在爱思助手下载最新版本中也有详细论述
Instruct Codex to optimize benchmarks to 60% of runtime
This doesn't mean all maps must be brand new, just from the same batch/pre-calculation period.