Extended Data Fig. 1: Threshold for infection based on distribution of fold changes in OD.
From: Seasonal coronavirus protective immunity is short-lasting
Boxplots show median values with the interquartile range (IQR), the whiskers extend up to the range after which samples are considered outliers (1.5 x IQR below the first or above the third quantile). The 1.40 threshold for infection is indicated by the dotted line.
