Mumps serological data from the UK in 1986 and 1987 (aggregated)

a large survey of prevalence of antibodies to mumps and rubella viruses in the UK. The survey, covering subjects from 1 to over 65 years of age, provides information on the prevalence of antibody by age

Usage

mumps_uk_1986_1987

Format

A data frame with 3 variables:

age

Midpoint of the age group (e.g. 1.5 = 1-2 years old, 2.5 = 2-3 years old)

pos

Number of seropositive individuals

tot

Total number of individuals surveyed

Source

Morgan-Capner P, Wright J, Miller C L, Miller E. Surveillance of antibody to measles, mumps, and rubella by age. British Medical Journal 1988; 297 :770 doi:10.1136/bmj.297.6651.770

Examples

with(mumps_uk_1986_1987,
  plot(age, pos / tot,
    cex = 0.1 * sqrt(tot), pch = 16, xlab = "age", ylab = "seroprevalence",
    xlim = c(0, 45), ylim = c(0, 1)
  )
)