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1)      Azythromycin -  Erythromycin
         respiratory tract infections, Lyme diseases (fever, fatigue, rash) etc. 
       corona virus, parainfluenza virus, respiratory syncitial virus        

2)  streptomycin  -  Tuberculosis
               mycobacterium tuberculosis

3)  Levofloxacin  - norfloxacin
         diarrhea , pneumonia, urinary tract infection
            Haemophilus influenzae,  Chlamydophila pneumoniae


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