serosv (version 1.1.0)

vzv_be_1999_2000: VZV serological data from Belgium (Flanders) from 1999-2000 (aggregated)

Description

Age-specific seroprevalence of VZV antibodies, assessed in Flanders (Belgium) between October 1999 and April 2000. This population was stratified by age in order to obtain approximately 100 observations per age group.

Usage

vzv_be_1999_2000

Format

A data frame with 3 variables:

age

Age group

pos

Number of seropositive individuals

tot

Total number of individuals surveyed

Examples

# Reproduce Fig 4.7 (left panel), p.71
age <- vzv_be_1999_2000$age
pos <- vzv_be_1999_2000$pos
tot <- vzv_be_1999_2000$tot
plot(age, pos / tot,
  cex = 0.036 * tot, pch = 19, xlab = "age", ylab = "seroprevalence",
  xlim = c(0, 45), ylim = c(0, 1)
)