In 2007, an estimated 33.2 million people lived with the disease worldwide, and it killed an estimated 2.1 million people, including 330,000 children.
V roku 2007 žilo na celom svete približne 33,2 milióna ľudí s touto chorobou a zabila asi 2,1 milióna ľudí, vrátane 330 000 detí.