The RITM is also training personnel of four sub-national reference labs of the DOH to help them develop capability to test samples from PUIs. These laboratories are at the San Lazaro Hospital in Manila, the Baguio General Hospital in Baguio, the Vicente Sotto Memorial Medical Center in Cebu City, and the Southern Philippines Medical Center in Davao City. The DOH has also allow private health facilities to seek testing accreditation.[25]