Covid-19 death rates in the united states as of october 7, 2020, by state the most important statistics rate of covid-19 hospitalizations in the u. s. as of september 26, 2020, by age group. Up-to-date values for rt — the number to watch to measure covid spread. We estimated the initial rate of spread (r0) and basic reproduction number (r0) for states in the usa experiencing covid-19 epidemics by analyzing death data time series using a time-varying autoregressive state-space model. the initial spread varied greatly among states, with the highest r0 = 0. 31 \\[0. 23, 0. 39\\] (95% ci) in new york state, corresponding to r0 = 6. 4 \\[4. 3, 9. 0\\] (95% ci. That proportion depends on how infectious a virus is, a measure called r0 (pronounce "r-naught"). the r0 is the number of people the average person with a virus infects. but r0 isn't a fixed number. We estimated the initial rate of spread (r0) and basic reproduction number (r0) for states in the usa experiencing covid-...