Hepatitis A serological data from Belgium in 1993 and 1994 (aggregated)

A study of the prevalence of HAV antibodies conducted in the Flemish Community of Belgium in 1993 and early 1994

Usage

hav_be_1993_1994

Format

A data frame with 3 variables:

age: Age group
pos: Number of seropositive individuals
tot: Total number of individuals surveyed

Source

Beutels, M., Van Damme, P., Aelvoet, W. et al. Prevalence of hepatitis A, B and C in the Flemish population. Eur J Epidemiol 13, 275-280 (1997). doi:10.1023/A:1007393405966

Examples

# Reproduce Fig 4.1 (upper left panel), p. 63
age <- hav_be_1993_1994$age
pos <- hav_be_1993_1994$pos
tot <- hav_be_1993_1994$tot
plot(
  age, pos / tot,
  pty = "s", cex = 0.06 * tot, pch = 16, xlab = "age",
  ylab = "seroprevalence", xlim = c(0, 86), ylim = c(0, 1)
)