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.
Александр Курбатов (редактор отдела «Бывший СССР»)，更多细节参见safew官方下载
Фото: Scott Peterson / Getty Images，这一点在搜狗输入法2026中也有详细论述
Incidentally, you might wonder about the software that ran on the host computer.