Per 
Item #: SCP-5120
Object Class: Euclid
Special Containment Procedures: SCP-5120 is to be contained in a standard humanoid cell size that contains SCP-5120-3 (An anomalous dog house which he habits) and dog foods, Personnel attempting to contain or visit this SCP are required to wear Civilian clothing and has no item (Except for foods and drinks) that is visible from the sight of the SCP, if containment breach occurs, Personnels with items and Armory are to evacuate from the Site or hide from the entity if possible, Personnel that participated to recontain SCP-5120 is to bring a dog food and bait it back to it's cell.
Description: SCP-5120 appears to be 36 kg and 61 cm, and a Khaki-colored Labrador Retriever dog breed with Dark eyes and nose, SCP-5120 was reported to be hostile towards people with any item they're holding from it's sight in his habitant (SCP-5120-3), the Foundation was then deployed as it's bites were reported to be extraordinarily different among other dog bites, individuals who were bitten would have 25 minutes before infection begins, the individual will then obtain slowness and fatigue for 10 minutes, and then becomes an instance of SCP-5120-2, SCP-5120-2 only has 1 hour in remaining biological, which would then die after.
SCP-5120-2 resembles a humanoid entity with defective behavior and features, the skin tone is gray with a malnourished body type and has no facial features (Except that it has a mouth), the mouth then remains opened and wide in SCP-5120-2's biological status, the jaw is then reported to dismember after SCP-5120-2 dies, SCP-5120-2 would lurk and attack individuals it sees and create more instances of SCP-5120-2.
Individuals whom are suspected to have been bitten by SCP-5120 are to take pills of SCP-500, individual is immediately terminated if they disobey the order to take pills of SCP-500.
SCP-5120 is docile to individuals holding any type of food and drinks, and is seemed to be attracted to individuals holding a dog food, SCP-5120 will show excitement towards the individual holding a dog food and begs to feed them with it, if individual refuses to feed SCP-5120, SCP-5120 would bark at the individual, it is reported that after 30 minutes of barking the individual experienced minor physical pain.
Addendum: Retrieval: Entity breaches containment
