The Capital Complex Region, comprising Itanagar, Naharlagun, Nirjuli and Banderdewa areas, has the highest number of active COVID-19 cases at 62 followed by Lower Subansiri at 38, West Kameng and Tawang at 32 each, Dibang Valley (27) and Namsai (26). A total of 12,58,774 samples have been tested for the infection in the state so far, including 783 on Friday, Jampa said, adding that the positivity ratio further increased to 5.61 per cent from 4.28 per cent the previous day. State Immunisation Officer (SSO) Dr Dimong Padung said as many as 16,20,908 people have been inoculated with COVID-19 vaccine so far.