 SCP-370 is a key. The size, shape, material, and general appearance of SCP-370 are unknown. Knowledge of these characteristics is the primary vector for the spread of the SCP-370 disease. SCP-370-A manifests most frequently in subjects characterized by their peers as self-centered or cowardly. It is the most common manifestation. Subjects suffering from SCP-370-A show no symptoms upon the initial infection. However, these subjects will commit suicide as soon as they have an opportunity to do so, with minimal suffering.