Possible Questions:
- Type of flu
- Type of pneumonia
- Pneumonia type
- Kind of infection
- Kind of pneumonia
- Spreading fast online
- Spreading fast on YouTube
- Like the flu
- Like some infections
- Type of infection
- Of an infection
- Like some modern marketing
- Like some Internet videos
- Like some illnesses
- Like measles, mumps, etc.
- Like a popular YouTube video
- How some YouTube videos go
- How some videos go
- What hot music video will go
- What "Gangnam Style" went
- Very popular, online
- Very popular, on YouTube
- Very popular, in cyberspace
- Spreading like wildfire, as online videos
- Quite popular, in cyberspeak
- Quickly popular, on YouTube
- Pertaining to an infective agent
- Of inflective agents
- Of an infectious agent
- Of a flu bug
- Of a disease germ
- Not bacterial, perhaps
- Like YouTube videos gone wild
- Like the mumps
- Like the "Gangnam Style" video
- Like super-popular YouTube clips
- Like super-popular videos
- Like some YouTube videos
- Like some word-of-mouth marketing
- Like some videos
- Like some online videos
- Like some modern videos
- Like some marketing
- Like some diseases
- Like some computer woes
- Like some bugs
- Like some ALS Ice Bucket Challenge videos
- Like rabies
- Like popular videos
- Like megapopular web videos
- Like measles
- Like flu
- Like a popular Internet video
- In everyone's feeds
- How some videos go, nowadays
- How popular videos go
- How popular videos "go"
- Fast-spreading, on the Web
- Fast-spreading, in cyberspace
- Adjective for a head cold
- ____ pneumonia