Comparison of influenza type A and B with COVID‐19
Meta-analysis.
Highlights: - 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) - Most of the patients with COVID‐19 had abnormal chest radiology (84%, p < 0.001) in comparison to influenza type A (57%, p < 0.001) and B (33%, p < 0.001) - The incubation period in COVID‐19 (6.4 days estimated) was longer than influenza type A (3.4 days) - Case fatality rate of hospitalized patients in COVID‐19 (6.5%, p < 0.001), influenza type A (6%, p < 0.001) and influenza type B was 3%(p < 0.001) - The results showed that COVID‐19 and influenza had many differences in clinical manifestations and radiographic findings