latent

adjective

• (of a quality or state) existing but not yet developed or manifest; hidden or concealed:they have a huge reserve of latent talent
• Biology lying dormant or hidden until circumstances are suitable for development or manifestation: axillary buds or eyes in the leaf axils are latent growth buds
• (of a disease) not yet manifesting the usual symptoms: diabetes may be latent for some years before diagnosis the latent stage of syphilis
• Physiology (of a microorganism, especially a virus) present in the body without causing disease, but capable of doing so at a later stage, or when transmitted to another body.