The impact of lockdown on allergic rhinitis: What is good and what is bad?

[...]this is just one of the potential effects of lockdown on the allergic rhinitis population: forcefully obliged at home, many people were exposed not only to indoor allergens such as dust mites but also to several other pollutants linked to different human activities (eg, tobacco and cooking smoke, chemical vapors of cleaning products). 2‐4 The air pollution has long been regarded as a public health concern because of its association with increased susceptibility to respiratory infections and with the exacerbation of allergic respiratory diseases. 2 COVID‐19 pandemic impacted billions across the world and economies have come to a grinding halt that has caused a transient improvement in air pollution that was documented in the most industrialized areas (Figure 1, NO2). [...]many governments currently advise the population to wear a face mask outdoors.