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Dr Duncan Robertson Profile picture
Dr Duncan Robertson
@Dr_D_Robertson
Policy & Strategy Analytics academic at Loughborough University; Fellow, St Catherine's College, Oxford. Member, @IndependentSage.

Jun 3, 2021, 7 tweets

Cumulative case numbers for variants published by PHE today, 3 June.

I think we all get the picture now that the Delta/B.1.617.2/'India' variant is becoming dominant.

Here are the charts.

And a final tweet linking to today's risk assessment of Delta, which isn't great news.

Logarithmic cumulative chart.

Heatmaps of weekly cases

Heatmap excluding Alpha/Kent and Delta/India variants

Share of variants

Secondary attack rate estimates of Delta. Estimated downwards, but updated time period used for analysis.

51% higher SAR than Alpha (lower than last week's 66% higher).

This is still *much* higher than Alpha.

Risk assessment of Delta (not good news)

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