In the lung samples, the infectious virus titer appeared to be lower in BA.2-infected mice compared with BA.1-infected mice, although the magnitude of the difference was small and did not reach statistical significance ( Figure 3 D).
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In the lung samples, the infectious virus titer appeared to be lower in BA.2-infected mice compared with BA.1-infected mice, although the magnitude of the difference was small and did not reach statistical significance ( Figure 3 D).