CD4 and hepatitis B virus infection: Comorbidities were present in 408 (61.4%) and only 21 (3.2%) participants were co-infected with hepatitis B. Median CD4 count and viral load at diagnosis were 178 cells/mm3 (IQR 57–341) and 77,000 copies/ml (IQR 21,248–252,252) respectively.