चिकनपॉक्स : लक्षण, कारण, टीका और उपचार Chickenpox, which is caused by varicella zoster virus (VZV), is a highly contagious disease. As chickenpox is caused by varicella virus, the disease is also known as varicella. A person can get infected by chickenpox virus even by breathing in the particles which come from chickenpox blisters or…Read More