6. 5. Tuberculosis
TB is often fatal when left untreated. Up to 2 billion people have contracted the illness, and 2 million die from it each year.
Source: Top Lists
This post was created by a user and has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can post awesome lists and creations. Learn more or post your buzz!
- DNC Day 2: Bill Clinton took the crowd down memory lane, and then Hillary broke through a virtual glass ceiling 💥
- ISIS has claimed responsibility for a church attack that killed a priest in northern France on Tuesday.
- 🍎📉: Apple's business is declining due to slowing iPhone sales, but the company is still making a ton of money.