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Influenza

Influenza - a highly contagious virus infection that affects the respiratory system. Sudden appearance of high fever, chills, headache, aches and pains, congestion and cough. There might be mild intestinal symptoms of nausea, loss of appetite, vomiting and diarrhea, but the symptoms of congestion and cough are most prominent. The fever lasts for 3 to 4 days, with the cough going from dry and hacking to loose and mucousy.

The influenza virus tends to infect people in epidemic proportions during the winter months. This disease disappears within a week for people who are usually healthy. In elderly people, or those with chronic problems, it tends to be a more severe disease with many complications, some leading to death.

 

Symptoms and diagnosis

In humans, influenza's effects are much more severe and last longer than those of the common cold. Recovery takes about one to two weeks. Influenza, however, can be deadly, especially for the weak, old or chronically ill. The flu can worsen chronic health problems. People with emphysema, chronic bronchitis or asthma may experience shortness of breath while they have the flu, and influenza may cause worsening of coronary heart disease or congestive heart failure. Smoking is another risk factor associated with more serious disease and increased mortality from influenza.

 

Symptoms

Symptoms of influenza can start quite suddenly one to two days after infection. Usually the first symptoms are chills or a chilly sensation, but fever is also common early in the infection, with body temperatures ranging from 38-39 °C (approximately 100-103 °F). Many people are so ill that they are confined to bed for several days, with aches and pains throughout their bodies, which are worse in their backs and legs. Symptoms of influenza may include:

body aches, especially joints and throat, extreme coldness and fever, fatigue, irritated watering eyes, reddened eyes, skin (especially face), mouth, throat and nose, abdominal pain (in children with influenza B).

It can be difficult to distinguish between the common cold and influenza in the early stages of these infections but flu can be identified by a high fever with a sudden onset and extreme fatigue.

 

Найдите эквиваленты в тексте:

Influenza Symptoms Резкое повышение t° Сильный озноб Головная боль «Ломота» в теле Заложенность носа Кашель (сначала сухой, «лающий», затем - с отделением слизи и мокроты)
Cause Инфицирование одним из вирусов гриппа

 


Дата добавления: 2015-07-14; просмотров: 69 | Нарушение авторских прав


Читайте в этой же книге: Контроль исходного уровня знаний. | The lungs and alveoli and their relationship to the diaphragm and capillaries. | Контроль исходного уровня знаний. | B) You are examining a patient with a disease of the respiratory tract. Ask him about his condition. | Acute Bronchitis | Lobar Pneumonia | Контроль исходного уровня знаний. | Infectious Diseases |
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