Tracing the “G-strain coronavirus” that caused repeated outbreaks around the world

New coronavirus outbreak in Thailand in Samut Sakhon It has been confirmed that It is the GH corona virus that originated in India. Before spilling into Myanmar, Dr. Suphakit Sirilak, Director-General of the Department of Medical Sciences said that the National Laboratory In addition to detecting the effects of COVID-19 Whether it is positive or negative What I want to know next is Strains of COVID-19 Which is a concern in some species that, if mutated

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“From the data it was found that the infection SARS-CoV-2 Found in Thailand Scattered in all species The most diverse is found in the S strain, followed by G, GH and GR, respectively, which are currently spreading across the world, ”the Director-General of the Department of Medical Sciences said. The Burmese smuggled into Mae Sot District, the group that escaped from the Tachileik Hotel, Myanmar border Thailand, Chiang Rai Province, and the group found in Samut Sakhon Province were GH strains. India That came through Rakhine Before spreading throughout Myanmar Part of it was secretly entered Thailand.

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Dr. Supakit said that the GH strain is different from the strains found in early Thailand. And not an endemic species in Indonesia As there is a concern that Will spill over with fishing workers But what is still good news is No mutations have been found in the N501Y gene, the strain that is currently causing a major outbreak in England. Thailand has been vigilant and confirmed that the group found at Samut Sakhon. It is a breed that was born in India. And an epidemic in Burma

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In line with the information of Prof. Yong Phu Worawan, the head of the Center of Specialization in Clinical Virology. Department of Pediatrics Faculty of Medicine Chulalongkorn University Revealing data from cell journal that COVID-19 The epidemic around the world is now a species G, which is spread easily. Because there is quite a lot of infection in the throat

Dr. Yong said that originally the species of COVID-19 Starting from China, it is the S species and the L species, the L species is easily spread outside of China. As for the strains that spread in Thailand during the first period It is an S species, characterized in position 829 on a protruding protein spike or spike. Changed to Threonine T829, it is called strain T.

“The T strain, which is the S offspring, is probably gone. Because it occurs only in Thailand, the L strain when it goes outside the country, especially in Europe The offspring were G and V species, with species G having a change in position 614 on the spike or spike protruding. It changes from Aspartate (D) to Glycine (G), called the G614 strain. The G strain is very spreadable. And bring out descendants as GH and GR strains “

Previous studies in the cell journal show that the G strain is prone to transmission. It was found that people infected with strain G had a relatively large number of throat infections. Thus spreading easily to others It is more prone to infestation than other strains, but strain G does not exacerbate the disease. Just making it spread more around the world And it is a species that is spreading around the world now. It is therefore not surprising that most of the strains imported from abroad and found in the State Quarantine of Thailand are the G species.

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Prof. Yong said that the altered species were not related to the severity of the disease. It is monitoring epidemiology and is easy or difficult to relate to disease transmission. Because the G strain grows well in the respiratory tract, it has a higher viral load, and that the viral mutation tracking study looked at six different viral locations, which were easy to do and can be stored as data. For Thailand in the future “

Prof. Peter Horby Professor of Emerging Infectious Diseases Of the University of Oxford And chairman of the British New and Emerging Respiratory Virus Threat Advisory Group said scientists were confident that the mutated virus spread faster than the previously mutated British virus. And there are changes in the way of transmitting the infection into the human body. Children were found to be as prone to this infection as much as adults, however, scientists are accelerating to gather more data to find ways to deal with it.

side Dr. Opaskarn Kawinpong, MD. Director-General, Department of Disease Control Said that no matter what strain of the current coronavirus is Wearing a mask is also an important measure to prevent the spread of disease, with more than 90% of Thais wearing a face mask, which helps prevent the spread. And if everyone wears a mask Safety from diseaseCOVID-19 Will be higher and also helps people with influenza is significantly reduced more than 10 times

“I insist that it is correct to wear a mask every time in public places. It is an important measure to reduce infectious diseases of the respiratory tract, ”Director-General of the Department of Disease Control said, adding that the infectionCOVID-19 There are mutations all the time. The strains with more than 80% of the global epidemic at the moment are the G species, which is different from the strains that have spread from Wuhan. The uniqueness of this virus is that it can spread 10-20 times faster than the original strain that had been spread. But the severity of the disease is reduced or there are no symptoms at all.

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