With the talks of a new of strain of the Coronavirus amid the pandemic caused by the old one, it is highly necessary that we know the basic differences between the old and new Coronavirus for our awareness. So, here are some of those crucial points to keep in mind:
1. While the older variant of coronavirus which originated from China and now has spread to all parts of the world, the new variant has mostly been found across the southeastern part of England, predominantly in London and Kent.
2. Original Coronavirus is SARS-CoV-2 by World Health Organization and the newer strain of this virus is known as VUI–202012/01 or lineage B.1.1.7.
3. Based on the observations so far, the authorities believe that the new Covid strain is 70 percent more infectious than the previous strains, which makes it even more dangerous. One is more likely to catch the new virus than was the case with the older strains.
4. Researchers also say that the new variant may attack the immune system faster and more severely than previous strains. The newer variant is more virulent and deadlier comparatively.
5. The new variant is supposed to cause 30% spike in mortality rate. This implies that if 1,000 men in their 60s were infected with the old variant, roughly 10 of them would be expected to die – but this rises to about 13 with the new variant.
6. Researchers also fear that there is a very slight, modest diminution in the efficacy of a vaccine against the new virus. But there’s enough credibility and effectiveness associated with the vaccines that we have that we still consider them to be efficient against both the types. This speculation has been predicted by the thorough research of monoclonal antibodies, the basis of vaccination theory.
7. The new strain of the virus is a result of the evolution that the RNA of the older virus has gone through. Since microbes with RNA are more prone to these changes due to their genetic instability, this is also the reason the doctor advises to get a new Flu vaccine every year.
8. Precisely, the new variant has 17 genetic changes as compared to its previous one. Studies also suggest that some of the mutations in the B.1.1.7 version seem to affect the coronavirus’s spike protein, which covers the outer coating of SARS-CoV-2 and give the virus its characteristic spiny appearance. These proteins aid the virus to attach to the human cells in the nose, lungs and other specific areas of the body, causing the COVID-19 illness.
9. Moreover, researchers have preliminary evidence that some of the new variants, including B.1.1.7, seem to bind more tightly to our cells. This has been known to make some of the newer strains ‘stickier’ due to adaptive changes noticed in the spike protein.
10. Finally, regarding the precautionary measures, we need to re-emphasize basic public health measures, including masking, physical distancing, good ventilation indoors and limiting gatherings of people in close proximity with poor ventilation. We are giving the virus an advantage to evolve if we are to congregate in more restricted spaces. Therefore, a deadlier strain requires more careful steps to keep the virus at bay.
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