Feeling numbness at donor area when I touch it. Is it a danger sign?

Numbness of your scalp after a hair transplant may be normal. If you are concerned it is best to follow up  with your doctor.  It may persist for several months in some cases.

Feeling numbness in the donor area at this time after your procedure is not a danger sign,rather it is quite normal.Several small nerves that supply sensation to your scalp routinely get cut during strip removal resulting in a numb feeling in and above the donor area.Nerves regenerate very slowly so it can take some time until complete sensation is restored.It is not uncommon to have numbness for 6-12 months after the procedure.You're ok!

A little numbness is normal for several months after the initial procedure. As long as it's not getting significantly worse or you have other side effects, it shouldn't be a cause for concern. You can always follow up with your doctor if you aren't convinced.

Having numbness in the donor area is common after a procedure. It can persist for 3-6 months post op before resolving. As long as you are not having any redness or pain in the area, you are ok. 

If the numbness bothers you, go back to your doctor and ask for an examination of the area. There are things that the doctor can detect on an examination