SINGAPORE - Researchers in Singapore have discovered a new variant of Covid-19 that causes less severe infections, according to a new study in the prestigious medical journal The Lancet.. Read more at straitstimes.com.
SINGAPORE - Researchers in Singapore have discovered a new variant of Covid-19 that causes less severe infections, according to a new study in the prestigious medical journal The Lancet.The latest variant of the Sar-Cov-2 virus which causes Covid-19 emerged in Wuhan, China early in the pandemic and was exported to Singapore and Taiwan, according to the study by researchers in various institutions, including the National Centre for Infectious Diseases and the Duke-NUS Medical School.
A lower proportion of them, for example, had hypoxia requiring supplemental oxygen, when compared with those infected with the wild-type virus.A pre-print publication in March had said that the same variant was found in eight hospitalised patients in Singapore and that viruses with the mutation or deletion in a region known as ORF8 had been circulating for at least four weeks. Similar variants were also observed in the Sars virus.
Weighing in, Professor Edison Liu, the former founding head of the Genome Institute of Singapore, and currently, the president and chief executive of The Jackson laboratory in the United States, said:"This is the first study to show a clinical difference based on the genetic differences between strains.
In rare cases, though, they may enable the virus to spread more easily, or become more or less deadly, he said."If this mutant clade becomes very widespread, then the impact on health will become less."
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