The moment the Headcrab secures itself on the host's head, the fight is usually over. The host collapses as the parasite severs control of the motor cortex. In Half-Life 2 , the introduction of the Fast Zombie shows us that this process is violent and physical; the host thrashes as the creature burrows in.
: A more recent discovery where the parasite uses bio-electrical energy to reanimate and "supercharge" corpses, proving that the biological potential of this infection is still evolving. The Ravenholm Incident: A Case Study in Horror Half Life Z Virus
Have you encountered a mod or map named "Half Life Z Virus"? Share your story in the comments below. And remember: Don’t drink the water in City 17. The moment the Headcrab secures itself on the