Fig. 4: Number of days to becoming infected since the index case versus household secondary attack rate (SIR) for subvariants BA.1*, BA.2* and BA.5*.
From: Tracing household transmission of SARS-CoV-2 in New Zealand using genomics
Violin plots show the density of points over the 28-day study period. The mean number of days for which participants tested positive following an index case is illustrated with a red line.
