Fig. 1From: Risk factors for herpes zoster: should people with asthma or COPD be vaccinated?Incidence of HZ by asthma status. Compared with subjects without asthma, an increased incidence of HZ was observed in those with asthma across all adult age groups. Data from Peng et al. [36]. CI confidence interval, HR hazard ratio, HZ herpes zosterBack to article page