COVID-19 vaccination was associated with the attenuated risk (vaccinated once [HR, 1.44; 95% CI, 1.22 to 1.69] and at least twice [HR, 0.81; 95% CI, 0.68 to 0.96]). Interestingly, the risks of overall allergic disease and its subtypes, including asthma, AD, AR, and FA were no lon...