The Hong Kong Department of Health informed the reporter from the China News Service on the 5th that, since May 5 to August 3, 2017, the total number of flu-related serious cases reached 458, causing a total of 315 deaths.
The epidemic period of influenza in southern China is from March to July. Affected by the activity of influenza virus, the peak period of the epidemic may advance or lag. At present, during the summer vacation, schools and kindergartens have been on holiday, and the risk of flu-like epidemics in collective units has been significantly reduced. However, there is still the risk of clustered outbreaks in summer tutoring institutions and other crowded places.
Influenza (H3N2), which is consistent with the Hong Kong flu type, another 1/3 is other types of flu. Influenza pathogens are classified into three types: influenza A, B and C. They are mainly transmitted through airborne droplets. H3N2 influenza is an ordinary seasonal influenza. Every autumn and winter season is the high season for the flu. In July and August, it will usher in a small peak. "Autumn and winter seasons, the temperature is low, the air circulation environment is deteriorating, the climate environment is suitable for the survival and spread of influenza virus; and in July and August every year, many people are used to hiding in air-conditioned rooms, but also give the influenza virus living space.
Don't treat flu as a common cold
Many people mistakenly treat the flu as a common cold. In fact, the flu is more prone to high fever, burns to 39 degrees or more, and is easily contagious. The common cold is characterized by sneezing, runny nose and other upper respiratory symptoms, systemic symptoms are mild, no fever or only low fever; flu symptoms are more severe, sudden chills, fever, headache, body aches, nasal congestion, runny nose, dry cough , chest pain, nausea, loss of appetite, infants or the elderly may be complicated by pneumonia or heart failure.
Most flu complications
No matter what kind of flu, it is not terrible in itself. What is terrible is the complications caused by the flu, especially the frail elderly.
The flu can cause complications such as pneumonia, otitis media, myocarditis, and systemic dehydration. For those who suffer from diabetes, asthma, chronic obstructive pulmonary disease, and cardiovascular disease, they also increase their underlying diseases.
Pneumonia is actually the most common complication of influenza. Shortness of breath, cough, sputum, fever and chest pain are the main symptoms of pneumonia. The flu must be taken seriously by the elderly and children.
Three ways to prevent flu
Wash your hands frequently. Wash your hands with warm water or hot water as much as possible. When using soap, not only apply fingers and palm, but also apply to the lower part of the nail, around the wrist, and between the fingers. Wash hands before going to bed, after sneezing and after coughing.
Lick your nose and mouth. When you sneeze, use a paper towel or bend your arms to block your nose and mouth and prevent saliva from entering the air.
Avoid patients. Any object contacted by flu patients, such as coins, handrails, etc., may be accompanied by a virus, so people are more likely to be infected when they come into contact with something the flu patient has touched.
High-risk groups recommend vaccination
The most reliable preventive measure against flu is still vaccination. People with high-risk flu, such as chronic diseases, pregnant women, the elderly and children, should be vaccinated in a timely manner. It is best to inoculate the flu before it arrives.
The best time for influenza vaccination in northern provinces is to start vaccination every October; given that the peak of influenza activity in the most southern provinces is from April to June, vaccination can continue until the peak of the annual summer season. It does not matter if you miss the best time for vaccination. It is effective to get vaccination before you get flu.
The vaccine is played every year
The flu vaccine is not vaccinated once and it can be used once and for all because the flu virus that is popular every year is different. Therefore, the annual flu vaccine formula is different and it needs to be vaccinated on time each year.
Vaccination is effective before the flu is available, because the flu vaccine usually takes about 2 weeks to produce antibodies, and it starts to protect after half a month after the flu vaccine.
Who is not suitable for vaccine
People who are allergic to eggs or any of the ingredients in the vaccine should not be vaccinated. With mild to moderate acute illness with or without fever, it is recommended that the symptoms subside and then inoculated. Take a rest after returning home. Observe the post-vaccination response.
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