| A | B |
|---|
| antigen | a body invader |
| terminal | an illness ending in death |
| exacerbation | something that makes a condition worsen |
| remission | absence of disease in patients with an incurable disease |
| etiology | cause of disease |
| idiopathic | unknown cause of disease |
| syndrome | a group of signs and symptoms that occur at the same time |
| signs | observed by a physician |
| symptoms | reported by a patient |
| vector | zoonotic transfer of a pathogen |
| communicable | person to person transmission of disease |
| reservoir | natural habitat of a pathogen |
