It's the end of the year.
Each company began to hold annual meetings and organize team building.
In this "big year of flu".
VariousInfluenza virusThey all want to show their hands.
A flu in November.
The after-effects aren't over yet.
The year is at a start.
B streamIt's confusing again.
Recently, B-stream has frequently appeared on various ** homepages.
According to the report provided by the Chinese Center for Disease Control and Prevention.
The current round of influenza epidemic has enteredDecline period
ButInfluenza B infectionPercentageContinued to rise, still need to be vigilant
The proportion of influenza B infections in northern China has been on the rise for 9 consecutive weeks, and in the south for 6 consecutive weeks.
Many people reflectedThe symptoms of the second stream are more serious than the new crown
Is this really the case?
What are the symptoms of influenza B?
What is the difference between B and A?
After reading this article, you will know the answer.
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Why does it feel more uncomfortable?
Compared to the new crown, the B stream will appearRecurrent high feverAfter taking the antipyretic medicine, the fever is temporarily reduced, and when the effect of the medicine passes, it will burn again. When the body's fluids are burned dry, the sore throat will be more pronounced.
In addition, the B stream will also appearJoint sorenesssymptoms that aggravate the feeling of malaise.
As can be seen from the existing studies,The harm of influenza B is less than that of influenza AThe rate of severe disease caused by new crown infection is much higher than that of influenza A and B.
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What are the symptoms of being infected with influenza B?
Sudden high feverIt is usually the first symptom of influenza B.
Rapid onset of high fever can even reach 39 40,Difficulty reducing fever
Accompanied by chills, headaches,Muscle and joint aches all over the body, malaise, loss of appetite;
sore throat, dry cough or sputum production, nasal congestion, runny nose to a mild degree;
Sometimes gastrointestinal symptoms such as nausea, vomiting, abdominal pain, diarrhea, etc.; The face is flushed and the conjunctival canthus is hyperemic.
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How to distinguish between influenza A and influenza B?
There is little difference between influenza A and influenza B in the first symptoms, both of which will cause sudden onset of high fever, as well as discomfort in the respiratory tract, digestive tract, muscles and joints.
But infectionThe clinical manifestations of influenza A are more severe than those of influenza BInfluenza A is mostly combined with nervous system damage, bacterial infection, myocardial damage, etc., which can easily cause complications such as convulsions and viral pneumonia.
At the same timeThe course of influenza A is prolonged, the systemic symptoms are more severe than those of B flu. The symptoms of influenza B are milder than those of influenza A, so they are more difficult to diagnose and can be easily confused with acute respiratory infections and the common cold, delaying the optimal time.
To know if it is a stream A or a stream, one should passViral antigen testMake a judgment.
Although the difference in symptoms is not significant, inCausative causeswithContagiousThere are significant differences between the two. The primary difference between influenza A and influenza B is the difference in the cause of the disease.
Influenza viruses can be divided into three types: A (a), B (b), and C (c), and epidemics caused by different influenza viruses are called influenza A and influenza B. Influenza A viruses: H1N1, H3N2
Influenza B virus: Influenza B (b) virusInfluenza A viruses are highly susceptible to mutation, so the different subtypes are different, and they are more contagious, often causing widespread infection.
Influenza B viruses have not yet been subtypedIt is less contagious than influenza A, which usually does not infect animals. (At present, it has only been confirmed that influenza B can infect seals). part/
How to prevent influenza B?
After a round of inflow, no one wants to suffer the pain of inflow B again.
So how exactly can this type of flu be prevented?
It's still the same old sayingBefore the epidemic, the vaccine was the most reliable
In the epidemic period, wearing a mask is indispensable
Influenza viruses are mainly transmitted through droplets, aerosols and other airborne routes, and wearing a mask can greatly prevent the virus from invading the human body. According to the CDC's influenza** every year, vaccination is effective in preventing influenza and reducing influenza-related severe disease and death.
The best time to get vaccinated is:Before the flu season arrives, it can start in September and basically end in mid-November。Immunity is usually established within 2 weeks of vaccination. RecommendationsHigh-risk populationsPrioritize getting a flu vaccine to build self-protection.
People at high risk of contracting influenza are as follows:Pregnant women
Family members and caregivers of children under 6 months of ageChildren aged 6 months and 5 years
Seniors aged 60 years and older
Patients with specific chronic diseases: asthma, COPD, diabetes, hypertensionMedical personnel
People who work in public places
Xiaolu warm tips: When you have fever symptoms for the first time during the flu season, you should see a doctor or take an influenza antigen test within 48 hours, please follow the doctor's instructions when taking medicine, and do not take medicine blindly to avoid delaying the condition. Disclaimer: This article is only for the popularization of diseases, does not contain any medical and medication advice, if you feel unwell, please seek medical attention in time.