How long does it take for a child's immune system to develop?

Voice your Opinion
1 year
2 years
3 years
4 years
Others (Comment down below)

521 responses

theAsianparent profile icon
theAsianparent

The official account for TheAsianparent Singapore.

7 Replies
Latest
Recommended
undefined profile icon
Write a reply
TapFluencer

gradually

6 Replies
Related Articles
Home Baby child s immune system