there are no particular germs (viruses) that just cause bronchitis so being exposed does not necessarily mean you will catch the same identical disease. just about any of the 200 or so respiratory viruses can cause bronchitis in a person who is susceptible to that particular virus. to be safe stand away from her coughing or sneezing.
i had bronchitis and pneumonia 6 months ago. my coworker has bronchitis. am i susceptible to catching it from her?