Side effects: The vaccine may cause mild side effects such as soreness at the injection site, mild rash, or fever.
Additional precautions: Avoid contact with people who have weakened immune systems for a few weeks after vaccination if a rash develops.
Risks caused by chickenpox: Chickenpox can cause serious complications, including pneumonia, brain inflammation, or skin infections, especially in adults, pregnant women, and people with weakened immune systems.