Traveling in a tropical country means insects and diseases you do not know of in your part of the world.
Check with the travel clinic in your area what is necessary for your stay in Thailand for you and your children.
If you prepare well and if you take good care and pay attention to personal hygiene you do not have to worry.
Here are some tips for you and your kids:
You can reach TCDF Eco-Logic at: +66 (0)8 - 6172 1090 or via email: firstname.lastname@example.org