bronchitis is not contagious but the respiratory virus that most likely caused it can be. most clinicians do not use antibiotic to treat it unless it was felt there is a bacterial component or underlying respiratory condition that warrants it. exposure to this virus does not necessarily mean that you will get bronchitis. you may just get a cold. or nothing at all. respiratory viruses can have an incubation period as short as 12-24 hours.
how long does bronchitis take to incubate. the lady i live with got sick on wednesday of last week with bronchitis and i would like to know how long i need to be worried about catching it. she has since started on antibiotics.