1. Resource Library: Find information on Bronchitis at MerckSource
Learn more about Bronchitis, Bronchitis is an inflammation of the main air passages to the lungs. Bronchitis may be short-lived (acute) or chronic, meaning that it lasts a long time and often recurs. People at risk for acute bronchitis include:
http://www.mercksource.com/pp/us/cns/cns_hl_adam.jspzQzpgzEzzSzppdocszSzuszSzcn...

2. MedlinePlus Medical Encyclopedia: Bronchitis
Bronchitis may be short-lived (acute) or chronic, meaning that it lasts a long time and often recurs. People at risk for acute bronchitis include: Even after acute bronchitis has cleared, you may have a dry, nagging cough that lingers for several...
http://www.nlm.nih.gov/medlineplus/ency/article/001087.htm

3. eMedicine - Measles, Rubeola : Article by Melissa Burnett
Late complications include immunosuppression and subacute sclerosing panencephalitis. By giving a bolus of vitamin A with the vaccine, the WHO hopes to attenuate some of the complications (eg, blindness) associated with vitamin A deficiency.
http://www.emedicine.com/derm/topic259.htm