The last update date:
Seasonal flu is influenza that the fashion is seen in in the winter season in average year and assumes influenza virus cause and is respiratory organs infectious disease characterized by sudden fever.
Influenza virus has type A, type B, C type. Type A and type B infect person mainly.
As typical symptom, high heat more than 38 degrees develops suddenly after the incubation period of 1-3 days, and, in addition, cold of symptom such as throat, cough, nasal mucus appears for whole body symptoms such as headache, arthralgia, muscular pain, general malaise. In most cases, it is relieved in approximately one week, but may cause pneumonia, encephalitis, brain fever when aggravated. The feature is that whole body symptoms such as high heat develop in comparison with a normal cold suddenly.
When infected person does cough and sneezing, spray including virus flies, and neighboring people breathe in this spray from nose and mouth and they enter the body at mucous membrane of eyes and infect. "Droplet infection" means thing by such an infection course.
When infected person covers mouth by hand and does cough and sneezing, hand is accompanied by virus in the spray.
And after having touched with button of doorknob and elevator, keyboard of computer without washing the hand, other people touch at the place and they touch with afterwards own nose and mouth, eyes, and virus enters the body and infects. "Contact infection" means thing by such an infection course.
Explanation of infection course
- Infected person does cough and sneezing
- "Spray" including virus is scattered
- Healthy person whom there is near (less than 1-2 meters) breathes in from nose and mouth
- Virus enters the body
- Infected person covers mouth by hand and does cough and sneezing
- Virus in "spray" attaches to hand
- We touch with buttons of doorknob and elevator without washing hand
- Healthy person touches in the part
- We touch with by hand own nose, mouth, eyes
- Virus enters the body
We take enough sleep and raise physical strength and resistance by usually having good meal of balance.
For prevention of infection spread
(let's warn when we almost pass more than 48 hours after symptom came out as there are too many viruses, and medicine may not work.)
Inquiry about seasonal flu
Saga Department of Health and Welfare Health Promotion Division infectious disease countermeasures charge
〒840-8570 1-1-59, Jonai, Saga-shi
TEL: 0952-25-7075 FAX: 0952-25-7268