COVID-19 Omicron variant leads to less severe disease in mice, study finds - Science Daily

Researchers found mice were more likely to get infected by Omicron than other variants but with significantly lower mortality rates.

Georgia State University researchers have found that the Alpha, Beta and Delta variants of SARS-CoV-2 were substantially more fatal in mouse models than the original strain of the virus that causes C… [+2520 chars]

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