USA

EPI and ERI graphs

Notation: EPI -Epidemic Index; ERI - Epidemic Risk Index.

1 January - 16 March 2021

1 November - 31 December 2020

21 July - 20 November 2020

The pandemic is spreading. EPI > 1. The Risk index ERI is high.

21 July - 16 October 2020

1 July - 25 September 2020

15 April - 30 October 2020

1 April - 30 October 2020