Shooting a Special Infected with the AWP/Scout snipers while holding the WALK key will cause it to fall in love with you, attacking other infected and protect you.
-To Specials: Lasts 90 seconds and only killable by you while holding WALK key.
-To Tanks: Lasts 7 seconds and anyone can damage it.
<Cooldown: 3 minutes>
<A single infected can only be affected once in its lifetime>
<Maximum 2 non-Tank pets alive at once>