Is there any harm if a vaccine is given before the scheduled time?

Prof HPS Sachdeva
Prof HPS Sachdev,
Senior Consultant Pediatrics,
Sitaram Bhartia Institute of Science and Research,
New Delhi

Q: The hepatitis A vaccination, recommended to children above 2 years, was given to my 15 months old child. Will this cause any problems?

A:No harm will be caused. However, the chances of protection may not be 100%.