“Corona, a stronger guy is coming”… Variant appearance possibility

A study has found that the forthcoming variant of COVID-19 could be fatal. [사진=게티이미지뱅크]
A study has found that future strains of the novel coronavirus infection (Corona 19) may be more lethal than the current dominant strain.

A research team at the African Health Research Institute (AHRI) in South Africa analyzed patients who had been carrying the Omicron virus for six months and found that mutations occurred over time. The patient was infected with HIV (Human Immunodeficiency Virus) and had a weakened immune system, but it was found that the death and fusion of cells in the body increased for 6 months.

The research team explained, “This means that new, more dangerous strains may arise from relatively weak omicrons.” Omicron, which is highly contagious but has a low fatality rate, emerged a year ago and became the world’s dominant species.

The findings shocked scientists who hypothesized that the virulence and contagiousness of COVID-19 would decline over time, as Omicron’s symptoms are relatively mild. In the meantime, scientists expected that the Omicron strain would remain as a common respiratory disease like a cold or flu through an evolutionary process in which the Omicron variant is highly contagious but weakens in power like many viruses in the past.

The study found that over time, omicrons also evolved to trigger more cell death and fusion, increasing inflammation in the lungs. The HIV patient who was the subject of this study is one of the people who have had Omicron the longest.

HIV patients have greatly weakened immunity. Because people with weakened immune systems are unable to properly clear infections, the virus continues to replicate in the body over time, mutate and spread to others as new strains.

The research team regularly analyzed the patient’s blood samples. The research team analyzed the genetic molecules of virus samples in the patient’s blood immediately after he was diagnosed with COVID-19, in the first month of the following, and at intervals of three months. The team wanted to determine changes to the virus’s genetic makeup and how infected human cells responded.

Cell death became more frequent over time from first diagnosis. When the patient was first infected with Omicron, about 4% of the cells died. This was about one-third the level of the Wuhan virus that first appeared in 2019. On day 6 after diagnosis, less than 6% of the cells were dead. By day 20, that rate jumped to almost 7%, and by day 190 to almost 10%. This is almost the same ratio as the Wuhan strain.

Professor Alex Segal (Biology) of the research team said in an interview with the British daily newspaper ‘Daily Mail’, “This study shows that viruses do not always weaken during the long-term evolution process.” It may not be as light as that,” he said.

The post “Corona, a stronger guy is coming”… The possibility of variant appearance appeared first on Comedy.com.

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