Figure 3, shows the breakdown of cases of brucellosis by age and sex in Gozo and presumably, reflective of that in Malta. The group most at risk of the disease were males (N = 961) with the most cases occurring in the age band of 20 to 24 years of age (see Figure 2). The peak age group for females (N = 684) were 15 to 19 years of age, and stayed elevated throughout the reproductive years. 69.36 percent of cases in males occurred in those aged 15 to 49 years. For females 71.22 percent of cases occurred in women aged 15 to 49 years.

Figure 3. Undulant fever cases by sex in Gozo from 1919 to 1940.