Coronavirus ‘chimera’ made in lab shows what makes omicron seemingly less deadly

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Coronavirus ‘chimera’ made in lab shows what makes omicron seemingly less deadly
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A controversial coronavirus experiment at Boston University has identified a mutation in the omicron variant that might help explain why it isn’t nearly as likely to sicken or kill as the original strain that emerged in China.

, published Wednesday in the journal Nature, comes three months after researchers posted an early version of the study that ignited a media firestorm, as well as confusion over who, exactly, funded the work and whether it required greater government oversight.

Proponents of the work counter that this experiment was fairly routine for pathogen research, which often involves the creation of “recombinant” viruses that mimic what happens in nature. The experiment was conducted by researchers wearing many layers of protective gear inside a biosafety level 3 laboratory at the university’s ultra-secure National Emerging Infectious Diseases Laboratory.

The researchers kept experimenting, and now they claim to have found at least one missing piece of the puzzle: a mutation involving a protein called nsp6.nsp6 is a “nonstructural” protein,

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