international travel related diseases

Michelle
So I need opinions, enlightenment and advice! My little girl will be born in a few weeks and one of my husbands brothers is traveling to Afghanistan and returning shortly after her birth. I've looked on the CDC.gov website as far possible diseases he could pick up while there let alone its flu season etc. I'm nervous about allowing him physical contact with her after international travel in third world countries. What would you guys do? Am I being crazy? Is it safe? I don't have any medical background and just trying to protect my baby. First time mom here!