Related Clues:
- Like pathological agents researchers originally stored in small bottle
- Getting thousands of YouTube views
- Like popular YouTube videos
- Like a hot online video
- Rapidly spreading over the internet
- Lung-related
- (Of video) fast spreading
- Sick rival has an infection
- All over the Net
- Like some memes
- Spreading rapidly
- What some YouTube videos ''go''
- Rapidly becoming popular online
- Fast-spreading, in cyberspace
- All over the web