public function disable($indication_id)
 {
     $this->load->database();
     $query = $this->db->query("UPDATE opportunistic_infection SET Active='0'WHERE id='{$indication_id}'");
     $results = Opportunistic_Infection::getIndication($indication_id);
     //$this -> session -> set_userdata('message_counter','2');
     $this->session->set_userdata('msg_error', $results->Indication . ' was disabled');
     $this->session->set_flashdata('filter_datatable', $results->Indication);
     //Filter datatable
     redirect('settings_management');
 }