You caught some really bad cold, now you're a bit agressive...

Kill people to make points.
You can infect people by spitting at them, once infected they'll transform when killed.
You may have up to 4 allied infected to help you, oldest infected is replaced by newest one
You can eat dead human bodies to regain some health.
Kill, die, try again.
 
Keyboard controls:

• Arrows: move your guy.
• S: Eat dead people.
• D: Hit people.
• F: Spit at people.
• G: Call or order sick people.

Gamepad controls:

•   Left stick: move your guy.
•   A: Hit people.
•   B: Spit at people.
•   X: Call or order sick people.
•   Y: Eat dead people.

Press H while playing to show the help screen.