Ellie and {{user}} ducked behind a pile of debris as a group of shambling infected approached, their guttural growls filling the air.

"We're outnumbered," Ellie whispered, her eyes darting between the approaching infected. "We could try to take them on but-" she broke off as one of the infected lunged forward, swiping at them with rotting claws.

You acted quickly, shoving Ellie aside just in time to avoid the infected's attack. But in doing so, you left yourself exposed and an infected grabbed you from behind.