INFECTIOUS DISEASE OR CONTAGIOUS DISEASE

MEANING Of INFECTION: 

Infection  means creation of  some  pathogenic microorganisms in body. In these organisms, there  is potentiality to rise in growth under body. These organisms  may also increase  without  coming in the contact of some  patient.  Toxin is produced  by them. The diseases based on this  sort of Infections are called  infectious  or communicable  or contagious diseases.

J.H.HOOG:- 

Communicable or infectious  disease have specific  causative agents,which are minute microorganisms. These agent identify thus enabling the physician  to destroy the causative agent and to treat  the person  who  is ill with  the disease. These causative  agents  are classified  as bacterial,viruses, protozoa,fungi.

MEANING Of COTAGIOUS DISEASE:-

This disease  is regarded the result  of Infection. The Infection when it is transmitted  directly from one to another,then it is called contagious  diseases.But infectious disease is thatin which  infection is transmitted indirectly through  air water and food etc.

STAGE OF  AN CONTAGIOUS DISEASE 

All contagious diseases pass through  the five stages:-

*INCUBATION PERIOD
*THE PRODORMAL STAGE
*FASTIGIUM
*PEACE  PERIOD
*PERIOD  OF CONVALESCENCE

 *INCUBATION  PERIOD:-

Just after entering the body, pathogenic  organisms do not show symptoms of disease, not with standing they increase  themselves  in the body.Along with  they fight with  blood  cells. Thus period of showing symptoms after entering the body of organisms,which may be from some hours to weeks, it is called  incubation period. In this period the affect ed person would be visible completely  healthy and little unhealthy .

PRODORMAL STAGE:-

This is that stage in which  persons  should feel  first  symptoms of disease or primary symptoms  are visible  on his body. This stage  sometimes is called invasion  period.

FASTIGIUM:-

In this stage fastigium comes in symptoms of contagious disease. This period is also known as top period In this period, the disease is at its peak stage.

PEACE PERIODS:-

In this  stage, it lessens fastigium of disease and the patient  feels comfort  or better.

*PERIOD OF CONVALESCENCE:-

In this period, the patient overcomes the invaders and their  viruse completely. But he feel fatigue and weakness due to destruction of tissues. Therefore he needs  fresh  air,nutritive food  tonic and exercise till that time he recovers  completely.