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Influenza virus is coming in full force. Fortunately, everyone knows and consciously vaccinates influenza vaccine can greatly reduce the invasion of influenza.
However, there is also a sperm virus that lurks on a large scale, specifically provoking the north from November to April and the south in summer.
Since November, there have been more children in Yuxueyuan clinic who have coughs and fever. After the doctor checked, it turns out that the sperm has started to make trouble.
This troublemaker is - respiratory syncytial virus (RSV) .
Now the editor will reveal this troublemaker.
01 Respiratory syncytial virus (RSV)
What is the origin of?
It is a member of the genus Pneumoniavirus. Because it is related to respiratory infection and can fuse infected cells, it is called respiratory syncytial virus.
02 Respiratory syncytial virus (RSV)
Is it harmful?
In the world, about 64 million children are infected with respiratory syncytial virus every year. is the most common pathogen of wheezing respiratory infection in children under 5 years old. About 22% of infants and young children have lower respiratory tract infections (i.e. pneumonia, bronchiolitis, etc.) caused by respiratory syncytial virus, and the incidence rate in my country is similar.
The US CDC even reminds that basically all children will have it before the age of 2. Why haven’t I heard of
03 before?
This may be related to the insufficient detection level before, and respiratory syncytial virus infection is treated as other bacterial or viral colds or pneumonia. Because this is a self-limiting disease, the child recovered a few days later and thought it was a treatment, so he didn't think about it.
is very easy to detect now, please continue to read the following.
04 When will this troublemaker become popular?
There are differences between the north and south.
In the northern region, November to April is the time of the outbreak of the respiratory syncytial virus every year, and January and February are the peak periods;
In the southern region, the virus is infected all year round, and the incidence rate will be higher in summer, which may be related to the excessive rainfall in summer.
What symptoms will children develop after they are infected with this virus?
First, respiratory syncytial virus enters the body from the nasal cavity, so runny nose first ;
Then, the virus continues to go downward, which will stimulate the throat. coughs in about 1-3 days ;
coughs, the immune system reacts, begins to have fever , the purpose is to reduce virus replication;
virus goes down quickly, damaging bronchiolos and alveoli, causes shortness of breath and wheezing .
These symptoms will show varying degrees depending on the age of the children.
For example:
For small babies, they have weak immunity, and infections are likely to affect the lungs, leading to symptoms of wheezing and fever;
For older children, they are somewhat stronger than babies, and they are infected more often, and they will have some resistance in their bodies. Most of them only have symptoms of coughing and fever, and rarely have symptoms of wheezing.
05 After infecting respiratory syncytial virus, does
produce antibodies and will not be infected again?
can indeed produce antibodies after recovering from the disease, but it cannot produce a complete protective effect. It may also be reinfected with the same type of virus.
Because this virus has two subtypes, A and B, , each subtype is divided into different virus strains according to its genotype.
Most of the two subtypes are popular at the same time every year, and the dominant virus strains are constantly rotated every year, which makes it difficult to prevent.
So during the epidemic period, it is particularly important to prevent it.
Can children diagnosed with fever, cough or asthma? Can they determine if they are infected with respiratory syncytial virus?
is not that easy.
In addition, influenza virus, adenovirus , rhinovirus , parainfluenza virus and some bacteria will cause these symptoms.
If you want to have a clear diagnosis, you can test the child's nose. If you find the viral antigen inside and combine it with the baby's performance, you can confirm the diagnosis.
Check the snot?
Yes, it is a super simple nasal swab (like a slender cotton swab) dipped in the child's nasal cavity for a few times. After receiving the test, you will know the exact result in about 30 minutes. It is very convenient and effective, and the child will not feel uncomfortable or painful.
At the same time, this nasal swab can also use the same specimen to detect four common respiratory infectious agents: influenza virus (A+B), adenovirus, and Mycoplasma pneumoniae.
wins four goals in one go. What antiviral drugs should be used for
06 being infected with respiratory syncytial virus
?
This virus infection is a self-limiting disease, and it will be removed without treatment and does not require the use of antiviral drugs.
detoxification period is about 1-2 weeks. For babies, the detoxification period may be extended by 2-3 weeks.
So, unless the children are already immune to the disease, suffers from a very serious respiratory syncytial virus infection this time and needs to be treated with a ventilator or other treatment. does not need to use antiviral drugs .
Children have a fever, cough, and wheezing, so how can they make them feel more comfortable?
If you have fever, you can use antipyretic drugs. Everyone must pay attention to the interval and dosage of medication when using the medication, and do not use the overdose.
If you cough or wheeze, it is very uncomfortable. You can do some atomization to relieve it. Although it may not shorten the course of the disease, it will make the child feel more comfortable.
If the doctor thinks that children can treat them at home, then do the above two items and wait until the course of the disease is over.
07 How can I help children take good prevention?
For small babies , breastfeeding to at least 6 months of age, and feeding to 1 year old is better. Because IgA in breast milk has a protective effect on babies, can reduce the occurrence of respiratory diseases.
Family members should not smoke . Some studies have found that the hospitalization rate caused by severe respiratory syncytial virus infection in children whose parents smoke or smokers in their families is 2.53 times that of non-smoking. Everyone should note that children cannot smoke even if they are not at home, because the smoke deposits on the sofa and bed, which can still continue to have an impact on them and last for many years.
Don’t kiss the children, do not sneeze at the children , cover it with a tissue or elbow when sneezing.
. Do a good job of hand hygiene . Wash your hands with soapy water for 20 seconds each time to wash away the pathogens you touch on your hands. Students who have not learned the 7-step hand washing method, please follow the picture below to wash your hands.
last point, if you get sick, try not to go out and infect other children.
See here, this sperm respiratory syncytial virus is no longer invisible. Please help your parents to defend.
