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abstractpubmed· Abstract 2020· item PMID:32339092
Decreased Influenza Incidence under COVID-19 Control Measures, Singapore. We compared indicators of influenza activity in 2020 before and after public health measures were taken to reduce coronavirus disease (COVID-19) with the corresponding indicators from 3 preceding years. Influenza activity declined substantially, suggesting that the measures taken for COVID-19 were effective in reducing spread of other viral respiratory diseases.