Viral co-pathogens in COVID-19 acute respiratory syndrome – what did we learn from the first year of pandemic?

Abstract

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Burden of Influenza and Respiratory Syncytial Viruses in Suspected COVID-19 Patients: A Cross-Sectional and Meta-Analysis Study

“…Of these, 61 records were selected for reading their full text. As a result, 27 articles that met the eligibility criteria were included in this meta-analysis [ 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 ]. A flowchart of this selection step is shown in the Figure S1 .…”

“…The 27 articles selected, in addition to the data from our cross-sectional study, reported a total of 114,318 suspected COVID-19 patients, the majority of whom were from the USA (48%) [ 37 , 39 , 40 , 43 , 45 , 46 , 48 , 50 , 53 , 54 , 55 , 61 ], followed by Brazil (15%) [ 44 , 47 , 48 , 49 ], Taiwan (7%) [ 42 , 62 ], Canada (4%) [ 52 ], England (4%) [ 56 ], Bangladesh (4%) [ 47 ], India (4%) [ 60 ], Japan (4%) [ 41 ], Israel (4%) [ 59 ], Turkey (4%) [ 36 ], and Spain (4%) [ 38 ]. The studies were conducted between early 2020 and April 2021.…”

The changing landscape of respiratory viruses contributing to respiratory hospitalisations: results from a hospital-based surveillance in Quebec, Canada, 2012-13 to 2021-22

“…The important reduction of pediatric respiratory hospitalisations, virtual absence of influenza and RSV during first pandemic year and increased role of COVID-19 and ORV, especially RSV, in hospitalised children during second pandemic year in our study are in line with reports from some other countries and other provinces of Canada (13,16,17,29,30). Of note, the timing of the unusual surge of RSV varied by region of the world: in Europe, Israel and USA increases started to be reported in the Spring-Summer of 2021(13,16,17,29). Major shifts in the epidemiology of RSV with large-scale outbreaks were reported in New Zealand (corresponding to usual season)(31) and Australia (out-of-season)(32).…”

“…However, because of high demand of SARS-CoV-2 tests on hospital laboratories, the testing for ORV has been reduced even in hospitalised patients during the pandemic. A number of reports described detection of ORV in patients hospitalised with ARI or with COVID-19 during the pandemic (8,(15)(16)(17)(18)(19). However, to our knowledge none described results of systematic detection of both ORV and SARS-CoV-2 (not only at physician request) using a panel of multiple RV in a multicenter network including both pandemic years and comparing them with as long as 8 pre-pandemic years.…”

Clinical Performance Evaluation of the NeuMoDx Flu A-B/RSV/SARS-CoV-2 Vantage Assay

“…During the COVID-19 pandemic, the occurrence patterns of other respiratory pathogens differed from previous years [ 29 ]. It is logic to presume that because of the public health measures implemented by the countries to reduce the spread of SARS-CoV-2, the transmission of other respiratory viruses has been reduced, as well [ 30 ].…”