| Answer | Crossword Clue |
|---|---|
| pathogens | a specific causative agent (as a bacterium or virus) of disease |
| contagia | the causative agent of a contagious or infectious disease, as a virus |
| contagium | A substance or agent, such as a virus, by which a contagious disease is transmitted |
| reservoirs | A population, tissue, etc., that is chronically infested with the causative agent of a disease and can act as a source of further infection |
| pinta | a chronic skin disease that is endemic in tropical America, that occurs successively as an initial papule, a generalized eruption, and a patchy loss of pigment, and that is caused by a treponemal spirochete (Treponema careteum) morphologically indistinguishable from the causative agent of syphilis |
