Initial estimates of the basic reproduction number ( R0 ) for COVID-19 in January were between 1.4 and 2.5 , but a subsequent statistical analysis has concluded that it may be much higher. < gallery mode= '' nolines '' widths= '' 320 '' heights= '' 220 '' >
Initial reports of the reproduction number ( RO ) of COVID-19 were between more than 1.4 to equal or less than 2.5 .