We examined the dynamics of coronavirus 2019 (COVID-19) transmission within families. Our investigation demonstrated significantly lower rates of COVID-19 positivity in children compared with adults residing in the same household. Children of 5–17 years of age were 61% and children of 0–4 years of age were 47% less likely to have positive polymerase chain reaction results compared with adults residing in the same household.
Among individuals who tested positive for coronavirus disease 2019, smell and taste sensations were significantly less impaired among children than among adults, in a stepwise manner. Sensory impairment was correlated with recent data of angiotensin-converting enzyme 2 expression in the corresponding age groups. This is the first report to compare sensory impairment in children and adults testing positive for coronavirus disease 2019.
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