Demographic and Clinical Characteristics of COVID-19 in Children and the Effect of Household Tobacco Smoke Exposure on COVID-19.

Household ETS exposure may impact COVID-19 pediatric cases as demonstrated by the increased frequency of cough and fever in ETS-exposed children. As new lockdown measures are implemented, increasing public awareness about the effect of household ETS exposure on COVID-19as well as encouraging a decrease in ETS exposure are essential.