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Results 1 - 1 of 1 for Recurrent upper respiratory tract infections
  1. Bronchiectasis 
    ... up blood Low oxygen levels (in severe cases) Recurrent pneumonia Depression ... help reduce the chance of some infections. Avoiding upper respiratory infections, smoking, and pollution may also reduce your risk of getting this infection.
    https://medlineplus.gov/ency/article/000144.htm - Medical Encyclopedia