Varilrix is a chickenpox (varicella) vaccine. It is used to prevent chickenpox, a highly contagious disease caused by the varicella-zoster virus. The vaccine is typically administered in two doses to provide immunity against the virus.

• Dose: The usual dose is 0.5 ml, which is the standard volume for a single injection.
• Indication: Varilrix is given to children, adolescents, and adults who have not had chickenpox or been vaccinated previously. It helps the immune system to develop protection against the virus.
• Administration: The vaccine is usually injected subcutaneously (under the skin).

This vaccine is important for reducing the risk of chickenpox and its potential complications, which can sometimes be severe, especially in adults or those with weakened immune systems.

If you're considering this vaccine for yourself or a child, it's a good idea to consult with a healthcare professional for the appropriate vaccination schedule and to confirm if it's suitable for you.