This monthâs technique: Closure of the mesenteric defects in an ante-colic ante-gastric Roux-en-Y Gastric Bypass This Monthâs Featured Experts: Alfons Pomp, MD, FACS, FRCSC
Basically, there are five different stages of infectious disease which include the incubation stage, the prodormal stage, the illness stage, the decline stage and the convalescence. Firstly, the incubation period is a period where there are no signs and symptoms detected while the virus is incubating.
Classifying Infectious Diseases. A patient may exhibit symptoms (subjective changes in body functions) and signs (measurable changes), which a physician uses to make a diagnosis. A specific group of symptoms or signs that always accompanies a specific disease is called a syndrome.he Severity or Duration of a Disease. The scope of a disease can be defined as: 1  Acute â develops rapidly but lasts a short time (influenza). 2  Chronic â develops more slowly, reactions to the disease are less severe, likely to be continual or recurrent for long periods (infectious mononucleosis, TB, hepatitis B).