Every day, 500 children are born with HIV and there are already 2 million in the world. Most live in resource-limited countries where diagnosis and infection monitoring are a luxury. For the past 15 years, the EpiMolVIH research laboratory at the IRYCIS-Ramon y Cajal Hospital in Madrid has been working to improve HIV detection and facilitate access to diagnosis in vulnerable populations. Every little bit counts in the fight against pediatric HIV. Join and participate!