The subject of this article appears in Call of Duty: Modern Warfare (2019)
"Killing players immediately starts health regeneration. Capturing and holding objectives will increase your health regeneration rate."
Create-A-Class description

Quick Fix is a Tier 1 perk in Call of Duty: Modern Warfare. It removes the user's health regeneration delay each time they score a kill, and doubles health regeneration rate whenever the user are carrying, capturing, or holding an objective. It is unlocked at level 42.

Quick Fix greatly helps aggressive and objective-oriented players to stay alive longer.

Before the 1.14.0 Perk rebalancing, the regeneration delay after a kill was not completely removed but only reduced to 3 seconds. This was possibly changed to make the perk even more viable for an aggressive play style.

Community content is available under CC-BY-SA unless otherwise noted.