A study conducted in Korea, shows asymptomatic patients were 25.8% and symptomatic patients were 74.2%.[ 19 ] In consequence, previous studies and our observation say that contribution of asymptomatic cases were highly significant in community transmission.[ 20 , 21 ] Albeit, finding the concrete number of COVID-19 asymptomatic cases have been a substantial confront for all researchers.
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Assessment of clinical and virological outcomes of rural and urban populations: COVID-19.
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