Table 1. Parameters used to estimate cost of PrEP for the study cohort.

Parameters and Costs for PrEP estimation		Values
Parameters	Number of doses required for PrEP	3
	Number of schools	27
	Number of doses per vial	4
Costs (PhP)	Vial (DOH price)	PhP 410
	Dose	PhP 103
	Shipment cost (% of vaccination costs)	2%
	Needle / syringe	PhP 5
	Alcohol (bottle)	PhP 40
	Cotton pack (150 pcs)	PhP 46
	Conversion PhP—USD	PhP 43 –USD 1