serosv (version 1.1.0)

parvob19_be_2001_2003: Parvo B19 serological data from Belgium from 2001-2003 (line listing)

Description

A seroprevalence survey testing for parvovirus B19 IgG antibody, performed on large representative national serum banks in Belgium, England and Wales, Finland, Italy, and Poland. The sera were collected between 1995 and 2004 and were obtained from residual sera submitted for routine laboratory testing.

Usage

parvob19_be_2001_2003

Format

A data frame with 5 variables:

age

Age of individual

seropositive

If the individual is seropositive or not

year

Year surveyed

gender

Gender of individual

parvouml

Parvo B19 antibody units per ml

Examples

# Reproduce Fig 4.5 (left upper panel), p. 68
library(dplyr)
df <- parvob19_be_2001_2003 %>%
  group_by(age) %>%
  summarise(pos = sum(seropositive), tot = n())
plot(df$age, df$pos / df$tot,
  cex = 0.02 * df$tot, pch = 16, xlab = "age", ylab = "seroprevalence",
  xlim = c(0, 82), ylim = c(0, 1)
)