This is what happens after BCG vaccination . It’s the normal sequence of occurrence after a BCG vaccination. 6-8 weeks after vaccination there is a cystic lesion which comes up at the site which bursts later and leaves a scar . This means your baby has reacted normally to the vaccination and has now developed resistance to tuberculosis to some extent .
Next Steps
Do not apply anything at the site . No other treatment needed .
Health Tips
Consult with the writer of this post if any concerns .