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Assessing the capacity of symptom scores to predict COVID-19 positivity in Nigeria: A national derivation and validation cohort study
(BMJ Publishing Group, 2021)
s This study aimed to develop and validate a
symptom prediction tool for COVID-19 test positivity in
Nigeria.A cohort of 43 221 individuals within the
national COVID-19 surveillance dataset from 27 February
to 27 August ...