A couple of these links are about the HIV testing for foreign teachers ... However, I included them here for interested readers.
Global Giving: Rainbow Teen Safe Space
Kimchi Monster: HIV Testing of Foreign Teachers
The Korea Herald: Is HIV testing of foreign teachers here to stay?
NK News: Ask a North Korean: Is there sex education in the DPRK?
Psyched in South Korea: Rainbow Stories
Global Giving: Rainbow Teen Safe Space
Kimchi Monster: HIV Testing of Foreign Teachers
The Korea Herald: Is HIV testing of foreign teachers here to stay?
NK News: Ask a North Korean: Is there sex education in the DPRK?
Psyched in South Korea: Rainbow Stories