Figure 3

Age, gender, and occupational distribution of reported HFRS cases. (A) Average incidence over age groups and sex during two epidemiological phases (1988–1997 and 1998–2012). (B) Occupational proportions for HFRS cases during the two phases. Peasants indicate people engaged in farming or livestock breeding; workers indicate people who work in manufacturing; students are grade school pupils, high school students, and undergraduates; public servants are teachers, doctors, civil servants, and individuals retired from these occupations; migrant laborers are migrant workers, restaurant servers, shop workers and housekeepers; preschool child indicates children < 7 years of age.