Viral and bacterial infections in adults with chronic asthma.
D000328:Adult; D000368:Aged; D001249:Asthma / Q000150:complications* / Q000503:physiopathology; D001424:Bacterial Infections / Q000150:complications*; D006801:Humans; D008875:Middle Aged; D009175:Mycoplasma Infections / Q000150:complications; D012119:Respiration; D012137:Respiratory System / Q000382:microbiology; D012141:Respiratory Tract Infections / Q000150:complications*; D013183:Sputum / Q000382:microbiology; D014777:Virus Diseases / Q000150:complications*