Vaccines may not be 100% effective against new South African coronavirus mutants, experts fear | Weather Channel-Weather Channel Articles

2021 is expected to be the year in which humanity will fight back against COVID-19 and win the fight against the pandemic through large-scale vaccination with vaccination drives. In fact, vaccination has already begun in some parts of the world, but its effectiveness is uncertain, especially with the advent of two new coronavirus variants that are considered more contagious than their predecessors. The sex is widespread.

In December 2020, a new variant of the SARS-CoV-2 coronavirus that causes COVID-19, B.1.1.7, emerged in the United Kingdom. This was not particularly fatal, but it was highly infectious and susceptible to infection. ..

Around the same time, another similar variant named 501.V2 was discovered in South Africa. This wildfire-like subspecies in South Africa’s coastal cities is said to cause a more serious form of COVID-19 in young people and other healthy people. This particular mutation also appears to allow the virus to bind and invade human cells better than its predecessor, making coronavirus more contagious.

With both variants continuing to spread rapidly, British Health Minister Matt Hancock was particularly worried about South African variants on Monday as they could cause “very very serious problems.” I admitted that I was there.

Professor John Bell, a senior immunologist at Oxford who helped create vaccines at prestigious universities, said 501.V2 politics by raising a “big question mark” about whether current vaccines work well against mutants. I supported the claim of the house. Report CBS. Vaccines are not completely useless, but some adjustments may be needed to provide as much protection as other vaccines already in widespread use elsewhere, He added.

Professor Shabir Maddy, a senior researcher at the Oxford vaccine trial in South Africa, also called 501.V2 “the most worrisome viral mutation ever” and drew great attention.

The bright side of the story

Meanwhile, a potential solution to this variant could be revealed through human vaccine trials conducted in South Africa by both Oxford and US pharmaceutical giants Johnson & Johnson. In these studies, a second dose was given when 501.V2 became rapidly widespread in the country. Therefore, by the end of January, test results may show how effective the vaccine is against this mutant.

In addition, while some are worried about the new variant, other scientists are confident in the ability of the vaccine to eradicate all current forms of the virus, at least for the foreseeable future. So far, all vaccine producers claim that the vaccine provides protection against new mutations, and Moderna CEO said at an investor meeting on Tuesday, January 5, that the vaccine would protect against new mutations. We have strengthened this claim by claiming that we need to provide.

Professor Krishna Swamie Bijay Ragavan, Chief Scientific Adviser of the Government of India, reiterated this belief at a press conference on Tuesday, saying: “People are concerned about whether current vaccines are effective against these mutants. However, mutant changes stimulate the immune system to produce a wide range of protective antibodies, thus disabling the vaccine. Not enough to.

“There is no evidence to suggest that current vaccines fail to protect against the COVID-19 mutants reported by the United Kingdom and South Africa.”

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