Co-infections COVID-19 2 Diseases 2 'current 1 Atangana-Baleanu complex order derivative 1 Atanganum-baleanu complex order derivative 1 Bifurcation (mathematics) 1 CMV 1 Candida 1 Candida auris 1 Cell proliferation 1 Complex-order derivatives 1 Coronavirus 1 Coronaviruses 1 Diarrhoea 1 Differential equations 1 Disease-free equilibrium 1 Epitopes 1 Equilibrium point 1 HIV/AIDS 1 HIV/AIDS and malaria co-infection with multi-delay model 1 Immune response 1 Immune simulation 1 Incubation periods 1 Infectious disease 1 Interpolation 1 Kidney Transplant Recipients 1 Lagrange interpolation method 1 Lagrange multipliers 1 Lagrange polynomial interpolation 1