Epidemiologist is, I believe, the word you were looking for.
The disease which is spread from person to person is called infectious disease. For example flu is a viral disease through which the other person is infected from the patient
Infectious disease that are spread through sexual contact are called, "STDs" which is short for "Sexually Transmitted Disease". The former term used was, "VD" which stood for "Venereal Disease".
Through the air.
No. It is not a genetic disease, but an infectious one.
Tuberculosis is a bacterial disease generally spread through the air by coughing or sneezing.
HIV is an infectious disease. It is not spread through genetics.
Mono is an infectious disease that can be spread through bodily fluids. This disease can go into remission and come back.
its a bacterial infectious disease which is caused by Pasteurella multocida and spread through animal bite
As an emerging infectious disease, yes, it can. It was bewildering, rapid in movement through the population, misunderstood, and untreatable; just as AIDS was when it first emerged as a threat to public health.
Because it is easily spread from person to person through contact with body fluids.
Its a bacterial infectious disease caused by Burkholderia mallei through skin contact and inhalation
You can get an infectious disease through airborne transmission, bloodborne transmission, sexual transmission, or oral/fecal route, to name a few. Tuberculosis is airborne, HIV is bloodborne or sexual, polio is oral/fecal.