When a virus has gotten under your skin

noun

1. The state produced by the establishment of one or more pathogenic agents (such as a bacteria, protozoans, or viruses) in or on the body of a suitable host

   "an infection in his foot"

2. A disease resulting from infection

   "contagious infections"

3. An act or process of infecting something or someone
4. An infectious agent or material contaminated with an infectious agent

   "… that notion that the infection was all in the air, that there was no such thing as contagion from the sick people to the sound …"

5. The communication of emotions or qualities through example or contact

   "But immediately she resisted this intolerable fear as an infection from her husband's way of thinking."

6. The act or result of corrupting someone's morals, character, etc.

   "… it is at least as difficult to stay a moral infection as a physical one …"

noun

1. A persistent bacterial infection of some organ or region

noun

1. A progressive painful disease of the mouth that is marked especially by dirty gray ulceration of the mucous membranes, bleeding of the gums, and a foul odor to the breath and that is associated with the presence of large numbers of a rod-shaped bacterium (Fusobacterium fusiforme synonym F. nucleatum) and a spirochete (Treponema vincentii synonym Borrelia vincentii) in the lesions

noun

1. Infection of the vagina with an overgrowth of a normally present candidal fungus (Candida albicans) that is characterized by a discharge and inflammation

noun

1. A sudden advance especially in knowledge or technique

   "a medical breakthrough"

2. A person's first notable success
3. An act or instance of moving through or beyond an obstacle

   "a breakthrough in the talks between the region's leaders"

4. An instance of passing through a barrier or protection

   "The ice under the surface begins to deteriorate, increasing the risk of breakthroughs."

5. An offensive military assault that penetrates and carries beyond a defensive line

noun

1. Concurrent infection of a cell or organism with two or more pathogenic agents

   "coinfection with influenza A and SARS-CoV-2"