For infectious diseases

Every infectious disease has its own characteristics. However, the disease is the presence of certain stages in the development of the disease.
When all the infections after infection, the disease does not appear immediately: before the appearance of the first signs of the disease passes the so-called incubation (latent) period during which the child is outwardly remains healthy. The duration of the incubation period is different for various diseases: when Corey it varies from 8 to 14 days after vaccination gamma-globulin - up to 28 days), with scarlet fever - from 2 to 12 days, diphtheria - from 2 to 7 days, with pertussis - from 3 to 21 days (usually 8-12 days)with influenza and of influenza-like diseases - from a few hours to 2-3 days.
The smaller the child, or the weaker, the shorter the incubation period.
During the incubation period in the body multiplication of microbes, and all the forces of the organism directed on struggle against microbes, and they secrete toxins. Although outwardly the child gives the impression of a healthy, however, after a careful observation of them could often be noted increased irritability, fatigue, sleep disturbance, and a decrease in appetite.
It is very important at this time to provide the child with good care, proper sleep and wakefulness, balanced diet with plenty of vitamins, possible stay on clean air, frequent airing. All this helps the body to resist disease and successfully fight with her.
During the window period should develop the first signs of the disease, different at different illnesses. However, almost all infectious diseases (except pertussis) is observed acute onset, characterized by common symptoms: fever, malaise, loss of appetite, headache, sometimes vomiting, less loss of consciousness and seizures. All these symptoms are caused by a poisoning of the body of toxic substances - toxins excreted by germs that cause illness.
Simultaneously with the General phenomena develop signs that characterize every disease: rash, and a sore throat with scarlet fever, the development of catarrh of the upper respiratory tract with measles and so on, the Duration of the acute period of the disease is different and depends on the features of infection and the severity of the disease and the measures aimed at combating the disease.
After some time the symptoms fade, along with this increased wellbeing of the child, there is an appetite - starts the recovery period. The child at this time is in a very unstable state, and, despite the apparent well-being, changes in his body during illness, have not disappeared, and errors in the mode of the child may adversely affect its state. At this time you must keep the mode to suit the peculiarities of each disease, proper nutrition, maximum use of fresh air.