Analyse @RealJoelSmalley's tweets
@RealJoelSmalley
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Finally, for the current series, the CFR does appear to have dropped substantially. Is this due to vaccine efficacy? Or is it due to the fact that all the vulnerable succumbed earlier in the year? Or possibly that the virus has mutated weaker like they normally do? https://t.co/hHvTSbcbkq