Ramzan, K., Shafiq, S., Raees, I., Mustafa, Z., Salman, M., Khan, A., Meyer, J. & Godman, B. 2022, 'Co-infections, secondary infections, and antimicrobial use in patients hospitalized with COVID-19 during the first five waves of the pandemic in Pakistan; findings and implications', Antibiotics, 11(6), article no: 789. https://doi.org/10.3390/antibiotics11060789