Type | MGI:General | Description | mice infected with influenza A virus and then SARS-CoV-2 exhibit 10,000-fold higher levels of SARS-CoV-2 viral load at day 6 post influenza infection (3 dpi with SARS-CoV-2) than at day 10 post influenza infection (7 dpi with SARS-CoV-2) indicating that peak viral SARS-CoV-2 replication occurs before the onset of symptoms at 4 dpi |