Comparison of influenza type A and B with COVID‐19: A global systematic review and meta‐analysis on clinical, laboratory and radiographic findings

@article{Pormohammad2020ComparisonOI,
  title={Comparison of influenza type A and B with COVID‐19: A global systematic review and meta‐analysis on clinical, laboratory and radiographic findings},
  author={Ali Pormohammad and Saied Ghorbani and Alireza Khatami and Mohammad Hossein Razizadeh and Ehsan Alborzi and Mohammad Zarei and Juan Pablo Idrovo and Raymond J. Turner},
  journal={Reviews in Medical Virology},
  year={2020},
  volume={31}
}
We compared clinical symptoms, laboratory findings, radiographic signs and outcomes of COVID‐19 and influenza to identify unique features. Depending on the heterogeneity test, we used either random or fixed‐effect models to analyse the appropriateness of the pooled results. Overall, 540 articles included in this study; 75,164 cases of COVID‐19 (157 studies), 113,818 influenza type A (251 studies) and 9266 influenza type B patients (47 studies) were included. Runny nose, dyspnoea, sore throat… 
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