期刊
JOURNAL OF CLINICAL VIROLOGY PLUS
卷 1, 期 3, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jcvp.2021.100036
关键词
COVID-19; SARS-CoV-2; Influenza; Co-infection; Molecular
This meta-analysis revealed that the proportion of influenza virus co-infection in SARS-CoV-2 positive patients was 0.7%, with most cases being due to influenza A virus. Children had a significantly higher co-infection rate with influenza viruses compared to adults, and critically ill patients tended to have a slightly higher co-infection rate than overall patients.
We conducted this meta-analysis to determine the proportion of co-infection with influenza viruses in SARSCoV-2 positive patients and to investigate the severity of COVID-19 in these patients. We included studies with SARS-CoV-2 infection confirmed by qRT-PCR and influenza virus infection (A and/or B) by nucleic acid tests. The proportion of co-infection was compared between children and adults, and between critically ill or deceased patients compared to overall patients. Fifty-four articles were included. The overall proportion of co-infection was 0.7%, 95%CI = [0.4 - 1.3]. Most influenza co-infections were due to the influenza A virus (74.4%). The proportion of co-infection with influenza viruses among children (3.2%, 95% CI = [0.9 - 10.9]) was significantly higher than that in adult patients (0.3%, 95% CI = [0.1 - 1.2]), p-value <0.01. The proportion of co-infection with influenza viruses among critically ill patients tended to be higher than that in overall patients (2.2%, 95% CI = [0.3 - 22.4] versus 0.6%, 95% CI = [0.3 - 1.2], respectively, p-value = 0.22). Screening for pathogens in co-infection, particularly influenza viruses in patients infected with SARS-CoV-2, is necessary. This warrants close surveillance and investigation of the co-incidences and interactions of SARS-CoV-2 and other respiratory viruses, which is facilitated by the expansion of syndromic diagnosis approaches through the use of multiplex PCR assays.
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