Omicron subvariant BA.2 ensures that it has many genetic differences from its parent strain and is labeled as another variant of concern in its own Greek alphabet, Japanese researchers say. Says. study Posted on February 15th on Medical Preprint Server BioRxiv..
This unpeer-reviewed study outlines the virological features of BA.2 based on laboratory experiments conducted by several universities in Japan.
5 things you need to know:
1. Researchers have found that the number of BA.2 reproductions, that is, the number of cases directly caused by infected individuals throughout the period of infection, is 1.4 times that of the original Omicron strain, BA.1.
2. Similar to BA.1, the Omicron submutant appears to block vaccine-induced immunity, the researchers said. However, COVID-19 vaccine boosters have been found to reduce the risk of reinfection by approximately 74%. CNN..
3. In cell culture experiments, subvariants are better at replicating in nasal cells faster than BA.1 and sticking cells to large clumps, eventually becoming factories and increasing virus copy. got it.
4. In a hamster study, subjects infected with BA.2 became sick and had worse lung function than subjects injected with BA.1. Findings suggest that submutants may cause more serious illnesses than BA.1, but more clinical studies are needed to better understand their severity. The researchers said.
5. The findings highlight the potential threat of BA.2 to global health and the importance of closer monitoring of subvariants, the researchers said.
“Based on our findings, we suggest that BA.2 should be recognized as the only mutant of concern and that this SARS-CoV-2 mutant should be closely monitored. “Masu,” said the researcher.
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Sources
1/ https://Google.com/
2/ https://www.beckershospitalreview.com/public-health/omicron-subvariant-should-be-a-separate-variant-of-concern-researchers-say.html
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