It's called a Pathologist.
researchers
Obviously there is no such person researching cures. Cures are mostly ignored.
A Medical researcher.
Psychiatrist
The one in Skingarad.
I don't know the answer for it.
its will lead to cures of diseases
Pharmacologist
Parakeets can get sick and diseases.But they have cures for some.
bioligy
so they can find cures to diseases
Yes, there cures for major diseases and virus being developed world wide. For example there is an experimental drug being tested for the Ebola virus.