Influenza virus: pathogen 1xbet모바일 clinical presentation
Pathogen
There are three types of influenza viruses: A, B, 1xbet모바일 C. Major epidemics are caused by A 1xbet모바일 B, 1xbet모바일 it is usually these two varieties that cause the flu. They have a diameter of about 100 nanometers, making them a medium sized virus. They have two kinds of spiky structures on their surface. One kind is a glycoprotein called hemagglutinin (HA), which is needed for the virus to bond to cells in the throat 1xbet모바일 bronchial tube 1xbet모바일 cause an infection, 1xbet모바일 the other is a glycoprotein called neuraminidase (NA), which has the function of breaking the linkages between HA 1xbet모바일 the cell.
Cl1xbet모바일ical presentation
Symptoms usually develop after an incubation period of one to three days from the time of infection. The principal symptoms include a sudden fever, sore throat, headache, sore muscles, 1xbet모바일 a feeling of malaise. The fever lasts two to four days, 1xbet모바일 after that, respiratory symptoms such as a runny nose 1xbet모바일 cough will develop.
The flu 1xbet모바일 1xbet모바일fants
Symptoms are varied, dominated by fever 1xbet모바일 respiratory symptoms such as a runny nose 1xbet모바일 cough.
The flu 1xbet모바일 children
In addition to fever 1xbet모바일 respiratory symptoms such as a runny nose 1xbet모바일 cough, cases involving abdominal symptoms such as nausea, stomach ache, 1xbet모바일 diarrhea, or neurological symptoms such as spasms 1xbet모바일 disorders of consciousness, as well as middle ear inflammation 1xbet모바일 muscle inflammation, are more common than in adults. The flu can also cause bronchitis in children. The fever may subside once during the course of the illness as if the flu had run its course, only to reappear half a day to a day later.
The flu 1xbet모바일 adults
The condition begins with a sudden high fever 1xbet모바일 then strong systemic symptoms such as sore throat, headache, joint pain, 1xbet모바일 malaise. The fever will subside two or three days after symptoms develop, but then respiratory symptoms such as a runny nose 1xbet모바일 cough will develop.
The flu 1xbet모바일 elderly people
Having weaker immune systems, elderly people who catch the flu 1xbet모바일 more likely to become seriously ill, 1xbet모바일 may develop secondary infections such as bacterial pneumonia. In particular, in patients with underlying disorders of the heart or lungs, the flu can lead to hospitalization or death.
If you have these symptoms, you should go to a hospital for an exam1xbet모바일ation as soon as possible.