 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  had chickenpox or received a varicella vaccination before. How to use Varivax VACCINE Vial Read all vaccine information available from your health care professional before receiving the vaccine. If you have any questions, ask your health care professional. This vaccine is given by injection by a health care professional. Depending on the brand, it may be given either under the skin or into the muscle of the upper arm. Depending on the brand, children aged 12 months to 12 years usually receive 1 or 2 doses. Teenagers 13 years and older and adults usually receive 2 doses 4 to 8 weeks apart. Closely follow the vaccination schedule provided by the health care professional.The side effects of Varivax (PF) Subcutaneous: Pain/redness/bruising/swelling at the injection site, fever, or mild chickenpox-like rash may occur. If any of these effects last or get worse, tell your health care professional promptly. Rarely, some people have symptoms such as fainting, dizziness, vision changes, or ringing in the ears just after getting a vaccine injection. Tell your health care professional right away if you have any of these symptoms. Sitting or lying down may help, since these symptoms usually don't last long. </s>