Fig. 4
From: Options for reducing HIV transmission related to the dead space in needles and syringes
a Volume of blood by barrel capacity and low dead space permanently attached needle or high dead space detachable needle after injection, booting, first rinse, and second rinse. b Volume of blood by low dead space design after injection, booting, first rinse, and second rinse. c HIV viral burden after injection, booting, first rinse, and second rinse. The asterisk indicates low dead space syringe with permanently attached needle