Volume 12, Number 11—November 2006
Dispatch
Transplacental Chikungunya Virus Antibody Kinetics, Thailand
Figure 2

Figure 2. Half-life of maternal antibody to chikungunya virus (CHIKV). Each dot represents the titer at that given age; >1 participant can share the same dot. CHIKV hemagglutination-inhibition titers in infants' sera are plotted on a logarithmic scale, with the line of best fit calculated by exponential regression on a linear scale.
1These authors contributed equally to this article.