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Table 4 The basic reproductive ratio values of the new coronavirus pandemic in China, France, Russia and the USA for two stages of the disease

From: The COVID-19 basic reproductive ratio using SEIR model for the Middle East countries and some other countries for two stages of the disease

The country

R0May

R0September

China

1.0007

1.1522

France

3.6851

4.7345

Russia

2.2299

1.0449

The USA

5.5657

2.0753

  1. R0May, R0September are the basic reproductive ratio for the new coronavirus disease as of May and September for the considered countries