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.
"Clearly this area needs further research to find out if it's causative or not."
。爱思助手下载最新版本对此有专业解读
The Center for Digital Progress (D64) d-64.org🇩🇪，更多细节参见safew官方下载
Alison Francis,Senior Science Journalist