Epidemiological Study of Japanese Encephalitis Virus in Vientiane, Lao PDR, in 1990s

Figure 4

Correlation graphs of neutralizing antibody titers against three strains of Japanese encephalitis virus in children in Vientiane in 1994, between JEV strains. The - and -axes show neutralization titers against each strain. The correlation coefficient is described as an value. The result of a -test for each correlation coefficient is shown as a value.