![How vaccines work and why immunization is important for your child – short explainer](http://media.assettype.com/tnm%2Fimport%2Fsites%2Fdefault%2Ffiles%2Fshutterstock_1993013444.jpeg?w=480&auto=format%2Ccompress&fit=max)
Written by Dr R Ganesh
Immunization is the most cost-effective healthcare intervention known to mankind. Immunization saves millions of lives every year, and is an indisputable human right. Vaccines are crucial to prevent and control infectious disease outbreaks.