in Gondar town, North Gondar zone, Amhara Regional State, Ethiopia. The town is situated at an altitude of 2133 meters above the sea level. According to the 2007 Ethiopian census report, the projectile population of Gondar town in 2015 are 323,900 \[[@B25]\]. Currently, the town has one referral hospital and five government health centres. The University of Gondar Referral Hospital is a teaching hospital which serves more than five million people in North Gondar zone and peoples of the neighbouring zones. The HIV care service of the hospital began in 2005, and it has three adult ART clinics, one paediatric, one Voluntary Counselling and Testing (VCT) clinic, and 2 adherence counselling clinics. Since 2005, when the hospital initiated ART, 7581 adults and 738 paediatrics patients have been enrolled.The voter takes the ballot to a voting booth, where he manually marks his selections by placing marks or punch holes in marking spaces associated with the candidates he or she selects. The marked ballot is then taken by the voter to a ballot box where it is inserted and stored for subsequent hand or machine counting.

In recent years, the traditional system has been improved with the use of a ballot scanner to tally the hand-marked ballots as they are inserted into the ballot box. This has the advantage of making vote tallies immediately available at the close of polling, and, with scanners so-equipped, of preventing unintentional under-votes and over-votes. However, one drawback of the traditional system remains in that there is no provision for assisting voters who