Figure 3. Instantaneous proportion of transmission from symptomatic, presymptomatic and asymptomatic individuals.

Instantaneous proportion of transmission from symptomatic (A), presymptomatic (B) and asymptomatic (C) individuals over the course of the epidemic, following the introduction of a single symptomatic individual on 20th Jan. Red lines = median, shading = 95% posterior interval. Two vertical lines show the date of the first confirmed diagnosis (left) and the start of quarantine measures (right).