Original title: what's going on when the influenza virus changes quietly? How to prevent it
Recently, the influenza monitoring results show that the main epidemic types of winter influenza have quietly changed. The main epidemic types of winter influenza in 2017-2018 have quietly changed from type B Yamagata to type A H1N1, and the trend is fierce. What's the matter with the flu virus quietly changing? How to prevent it? Let's learn with Xiaobian.
What's going on with the flu virus quietly changing
Alert! The influenza virus has quietly changed, and the influenza A is coming! The recent influenza monitoring results show that the main epidemic types of winter influenza have quietly changed, and the main epidemic types of winter influenza in 2017-2018 have quietly changed from type B Yamagata to type A H1N1, and the trend is fierce. Everyone should pay attention to guard!
Spring itself is the season of high incidence of influenza. Recently, it has been reported on the Internet that influenza A is now on the rise. According to the recent influenza monitoring results of Jiangsu Province, from the third week of 2018, i.e. the last ten days of January, the main influenza epidemic types in winter 2017-2018 have quietly changed from type B Yamagata to type A H1N1, and they are on the rise. We still need to guard against the flu.
What kind of advanced virus is H1N1? What impact does it have on our common people? Can it be prevented? How to prevent it? H1N1 is actually the influenza virus whose surface antigen is hemagglutinin 1 subtype neuraminidase 1 subtype.
On February 4, when the staff of Jiangsu inspection and Quarantine Bureau carried out the entry quarantine inspection on the 'harmonious cloud port' passenger ship from abroad, six passengers suffered from influenza A (H1N1).
Experts believe that whether the flu is fatal or not varies from person to person! The vast majority of people infected with the flu will not cause severe illness, most of them will self-healing in about one week, and coughing can last for 1-2 weeks. There's really no need to panic!
The elderly, patients with chronic diseases, infants, pregnant women are the risk groups of severe influenza cases. We should pay attention to early detection, early medical treatment and early isolation!
Symptoms of H1N1
1. Within 3-6 hours, it will have high fever (above 37.8 degrees) and rapid systemic muscle ache;
2. More than 80% of them will have severe headache, no runny nose but cough and sore throat;
3. Almost no sneezing (less common);
4. The high fever above 37.8 will last for 3-4 days;
5. Severe systemic muscle pain and joint pain;
6. Most people will have fever and chills; they will continue to have severe fatigue and weakness;
7. The tonsils will not swell; there will be severe chest compression. Early symptoms are similar to those of common influenza, including fever, cough, sore throat, body pain, headache, chills, fatigue, etc., and some may also have diarrhea or vomiting, muscle pain or fatigue, red eyes, etc. It usually presents with flu like symptoms, including fever, sore throat, runny nose, stuffy nose, cough, expectoration, headache, general pain and fatigue. Some cases had vomiting and diarrhea. In a few cases, there were only slight symptoms of upper respiratory tract and no fever. The main physical signs include pharyngeal hyperemia and tonsillar enlargement.
Some patients can progress rapidly, with fierce force, sudden high fever, body temperature over 39 ℃, and even secondary severe pneumonia, acute respiratory distress syndrome, pulmonary hemorrhage, pleural effusion, pancytopenia, renal failure, septicemia, shock and Reye syndrome, respiratory failure and multiple organ damage, leading to death.
One of the following cases is a serious case
1. Persistent high fever for 3 days, accompanied by severe cough, expectoration, blood sputum, or chest pain;
2. Fast breath rate, dyspnea, cyanosis of lips;
3. Change of mind: slow response, lethargy, restlessness, convulsion, etc;
4. Severe vomiting, diarrhea and dehydration;
5. Pneumonia;
6. The original basic diseases aggravate the influenza virus and change quietly
In the above-mentioned fever, the patient appears white lung, which is like severe pneumonia. Later, a lot of complications have taken place, which is enough to defeat a normally healthy middle-aged and elderly people.
High risk groups and patients with severe influenza should be given anti influenza virus treatment (oseltamivir, zanamivir, etc.) as soon as possible (within 48 hours of onset), without waiting for the virus test results; if the onset time is more than 48 hours, the symptoms do not improve or tend to deteriorate, anti influenza virus treatment should also be carried out. In order to shorten the course of disease and reduce complications, antiviral therapy can also be used in patients without high risk factors of severe influenza.
How to prevent H1N1
1. Of all the means to prevent diseases, only vaccines are the most reliable.
Vaccination can significantly reduce the risk of influenza and serious complications. It is recommended that senior citizens, children, pregnant women, patients with chronic diseases and medical staff should be given priority to receive influenza vaccine every year.
Influenza virus quietly changes
2. Keeping good personal hygiene habits is an important means to prevent respiratory infectious diseases such as influenza.
Wash hands frequently, keep the environment clean and ventilated, minimize activities in crowded places and avoid contact with patients; when coughing or sneezing, cover the mouth and nose with paper towels and towels, wash hands after coughing or sneezing and try to avoid touching the eyes, nose or mouth; when respiratory tract infection occurs, take a rest at home and seek medical treatment as soon as possible.
Netizens commented that the virus has become stronger this year, and the cold in January is not over yet! The cold has not been good since the new year, first cough and then fever. Now the nose is blocked, runny and endless! Then the problem comes, is it useful to drink more hot water at this time? In the line, it's very urgent!
The above is the silent change of influenza virus. Pay attention to prevention when H1N1 is coming. The whole content of how to prevent H1N1 is coming. When you prepare for the test, you should pay attention to your health. Combining work with rest is the king!