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.
圖像來源，BBC News Chinese
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«По данным оперативных служб, две ракеты пытались нанести атаку на Чувашию», — говорится в сообщении.
The $110bn deal ends a high-stakes bidding war between the two media companies, but the takeover still faces regulatory hurdles and a backlash from critics worried about a rightward tilt in US media.