Co-infection of SARS‐CoV‐2 and influenza A/B among patients with COVID-19: a systematic review and meta-analysis - Golpour, Monireh; Jalali, Hossein; Alizadeh-Navaei, Reza; Talarposhti, Masoumeh Rezaei; Mousavi, Tahoora; Ghara, Ali Asghar Nadi (BMC Infectious Diseases, 2025)