Essentials of Biostatistics in Public Health, Fourth Edition 3.4 Practice Problems 17. A randomized controlled trial compares viral load in HIV-infected patients with COVID-19 co- infection as compared to those with influenza coinfection. The trial finds no statistically significant difference in viral loads in HIV-infected patients with COVID-19 versus influenza co-infections. True or False? If, in truth, there is a difference in viral load in HIV-infected patients with COVID-19 co-infection as compared to influenza co-infection, then the authors have committed a Type l error..