Asymptomatic infection by SARS-CoV-2: Evidence for a population study in Cuba a

2020 
Introduction: SARS-CoV-2 transmission among asymptomatic people continues to be a matter of debate and concern for the international scientific community Objective: To present some considerations about SARS-CoV-2 asymptomatic infection and the characteristics of the cases reported in Cuba between March 11 and June 17, 2020, as evidence for a population follow-up study Methods: We carried out a bibliographic review of the literature about SARS-CoV-2 infection and the particularities of the clinical manifestations of COVID-19, for which we consulted the daily information and the evidence reported through the web portal of the Infomed network We analyzed the information contained in the national database of confirmed COVID-19 cases, between March 11 and June 17, 2020 In addition to the asymptomatic condition at the time of diagnosis, other variables were analyzed, such as age groups and province The information was summarized using totals and the cumulative incidence rate The straight line and a polynomial of order 4 were adjusted to the series of asymptomatic cases Conclusions: It is evident how common asymptomatic people are at the time of diagnosis, while there seems to be consensus, in the scientific field, regarding their involvement in the subclinical spread of the disease Since the beginning of the epidemic, most of the cases reported in Cuba have been asymptomatic, which has been evidenced in most of the provinces and different age groups, except those aged less than one year or 60-79 years old Incomplete knowledge of the extent of asymptomatic infection in the supposedly healthy population, the peculiarities of these cases and their influence on viral transmission, encouraged the performance of a population-based “follow-up study © 2020, Editorial Ciencias Medicas All rights reserved
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