SARS-CoV-2 genetic variation and bacterial communities of naso-oropharyngeal samples in middle-aged and elderly COVID-19 patients in West Java, Indonesia oleh Muhammad M. Adzdzakiy, M.Si., Sutarno Sutarno, Ph.D., Isnaini Z. Asyifa, M.Biomed, Alvira R. Sativa, M.Sc., Ahmad R.A. Fiqri, S.Si., Azzania Fibriani, Ph.D., Ryan B. Ristandi, M.D., Ratih A. Ningrum, Ph.D., Syam B. Iryanto, M.Kom., Anggia Prasetyoputri, Ph.D., Anik B. Dharmayanthi, Ph.D., Sugiyono Saputra, Ph.D.