... chart in Figure 2, only those females most at risk were given the new flu vaccine; 28% did not take part in the trial. Of those females who took part, 35% were aged (over 65 years old); 24% ... in March, climbing rapidly to a peak of 350 0 in June. Thereafter, the number of cases dropped slowly to about 2800 in August, before levelling off at 250 0 for the rest of the year. For males, ... were either hospitalised or receiving other medical attention.From Figure 3 it is clear that the new vaccine had a positive effect on the number of new cases of flu reported in females. There...