<unk>  infection can be classified based on the organ system involved into the following: CMV retinitis, CMV colitis, CMV esophagitis, CMV pneumonitis and CMV encephalitis.
Cytomegalovirus infection classification
Syphilis classification
Hodgkin's lymphoma classification
Neurosyphilis classification
B-cell lymphoma classification
COVID-19 differential diagnosis
Non-Polio enterovirus infections classification
Influenza classification