About 1.3 billion of the world’s population are adolescents aged 10-19 years. Adolescents bear long periods of exposure to, and consequences of health risks y

The second edition of the AA-HA! guidance is a collaborative effort spearheaded by the World Health Organization in collaboration with UNAIDS, UNESCO, UNFPA, UN

This publication has been developed to provide a national framework for monitoring the health sector’s response to sexually transmitted infections and a set o

WHO has progressively strengthened its work for adolescent health, growing its portfolio of research, norms and standards, country support and advocacy, and exp