2024-02-01 15:58:00
New omicron strains such as XBB, EG.5.1, BA.2.86, and JN.1 have highly mutated spines. This allows it to evade the immune system and bind to the cell surface better than the original strain. It is still being examined whether the effect on Long Covid will be more severe or reduced.
Study of COVID symptoms caused by COVID-19 infection Each strain is very complex, as individuals experience very different symptoms even when infected with the same strain.
What we currently know is
1. Original strain of COVID-19
This strain was first discovered in Wuhan, China in December 2019 (2019).
Causing the COVID-19 situation to continue following, for example Fatigue, dyspnea, anxiety, autonomic dysfunction, and fast and irregular heart rate. which is often called “Brain Fog Syndrome” causes memory problems. Hardly able to concentrate and think slowly, making it more difficult to do tasks that use creativity. Physical and emotional symptoms of brain fatigue include insomnia. Chronic headaches, irritability and tired eyesight.
“Brain fatigue” is one of the common symptoms in long-COVID patients after recovering from COVID-19 infection. It is thought to be caused by neurotransmitters in the brain. which is a chemical that is responsible for connecting information or electrical signals between nerve cells become unbalanced
COVID symptoms detected from people infected with COVID-19 Wuhan original breed Before the first generation vaccination campaign was launched, it was therefore estimated that the vaccine was unlikely to cause COVID symptoms. Although vaccination is not 100% effective in preventing COVID-19 infection, But vaccines have also been shown to be very effective at reducing the severity of illness. Reduce the rate of hospital admissions and reduce deaths from COVID-19 Research has also shown that vaccination reduces the risk of COVID-19 by up to 50% compared to unvaccinated people.
At the meeting, it was emphasized that there must be a study of the side effects of each type and type of vaccination together. The new version of the vaccine should be developed to be able to protect against infection from mutant Covid for at least 5 years. It should not have to be injected every year. (Read more details from
However, there have been rare cases in which people have experienced symptoms similar to COVID-19 after receiving the vaccine, known as COVID-19. “Long Post-COVID Vaccination Syndrome (LPCVS)” This raises doubts as to whether the vaccine may be a factor or an additional factor causing COVID symptoms. This issue is becoming of interest. Data has been collected on side effects that people receive from various types of vaccinations around the world. It will take some time to come to a conclusion.
2. Alpha strain (B.1.1.7)
First seen in September 2020 in the United Kingdom.
They are characterized by increased contagiousness. It was the dominant strain in many regions at the time before being replaced by the Delta strain later on. causing COVID symptoms similar to those found in COVID-19 original breed It mainly affects respiratory function, cognition, and energy levels.
3. Beta strain (B.1.351)
First appeared in May 2020(2020) in South Africa.
It has the potential to partially avoid immunity from infection or vaccination. Efforts are being made to assess whether the increased beta immune evasion ability affects the severity of COVID symptoms. However, there is not enough data to draw firm clinical conclusions due to the outbreak of this strain. has ended
4. Gamma strain (P.1) was detected.
First published in November 2020 in a sample collected from Manaus, Brazil.
Changes in the spike region are thought to affect the ability of the virus to infect cells. and may include the immune system response as well. The study aims to determine whether these changes lead to COVID symptoms that are different from previous strains. However, there is not enough data to draw firm clinical conclusions due to the outbreak of this strain. It has also ended.
5. Delta strain (B.1.617.2)
It first occurred in October 2020 (2020) in India.
The Delta strain was significantly more transmissible than previous outbreak strains. There is a higher rate of infected people requiring hospital treatment. Research indicates that increased severity of acute infection may be linked to a greater chance of developing more severe COVID conditions, for example. severe fatigue Brain problems related to memory, knowledge, understanding, and post-exercise malaise.
A study into COVID-19 in the UK has shown a higher risk of fatigue and neurological symptoms when infected with COVID-19. However, this study needs to be re-examined using data from a larger number of control subjects.
6. Omicron strain (B.1.1.529)
It was first detected in November 2021.
It is characterized by extensive mutations in the spike region, which leads to rapid transmission even in those with prior immunity from natural infection or vaccination. (breakthrough infection) followed by successive mutations from omicron subtypes XBB (August 2022), EG.5.1 (March 2023), BA.2.86 (June 2023) and JN.1 (July 2023), causing Complexity and uncertainty regarding COVID-19 conditions that will occur in the future Continued studies are needed to fully understand the overall impact on COVID.
In summary Although the main symptoms of COVID-19 include: fatigue impaired brain function and complications of the respiratory system It is found in all strains of the 2019 coronavirus (SARS-CoV-2), but the actual symptoms, severity, and duration of Long COVID syndrome may vary based on the unique characteristics of each strain.
Therefore, complete and continuous research and collection of clinical data is essential to clarify the effects of different strains of COVID in order to provide adequate care and support to those suffering from COVID. COVID from COVID-19 infection Various strains during the 4-year period of the outbreak
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