Seasonal flu has an R0 value of ~1.2 [1] while the estimate for COVID-19 was est...

Seasonal flu has an R0 value of ~1.2 [1] while the estimate for COVID-19 was estimated at 2.2 [2]. This can be interpreted as each person infecting 2.2 other people vs. 1.2, the spread of the virus will probably be exponentially faster.

1: https://bmcinfectdis.biomedcentral.com/articles/10.1186/1471...

2: https://www.ncbi.nlm.nih.gov/pubmed/32097725