From the Vancouver Sun:
This decision was based, according to an NPR report, on statistical studies showing people who've had seasonal flu shots were more likely to get swine flu and to have a bad case of it. Quebec and Ontario are following the British Columbia protocol.British Columbia is suspending its annual seasonal flu shot program amidst emerging concerns the vaccination could make people more susceptible to catching H1N1.
The suspension — which limits the seasonal flu vaccination mostly to the elderly — puts B.C. in line with many other Canadian provinces, but means most people will not have access to any type of influenza vaccination until at least mid-November.