Influenza significantly impacted adults aged 50 to 64 years and younger adults with chronic conditions, but risk can be reduced with RIV.

Use of a pMDI with a holding chamber is noninferior to nebulization for delivering salbutamol in children with asthma exacerbations.

PRISm may be a precursor to COPD regardless of an individual’s smoking status, although smokers have faster lung function decline.