Harare hospital OI clinic is situated within the paediatric hospital in Harare hospital. It is open to patients from Mondays to Thursdays, excluding public holidays. The clinic caters for children that are HIV positive up to 18 years of age. Once they turn 19, they are transferred to the adult opportunistic infections clinic at the same hospital. On each visit to the clinic, patients that were commenced onto ARVs or cotrimoxazole prophylaxis receive a maximum of 2 months supply. This means that each patient enrolled in the clinic has to return to the clinic at least once in 2 months for drug refill. However, if any patient is taken ill or has any other concern, they are free to visit the clinic to be seen by the doctors, nurses or counsellors outside their review date.