When ordinary days become extraordinary: the response to H1N1 at the Izaak Walton Killam Health Centre.

In April 2009, the H1N1 swine flu virus entered Canada with a sentinel case presenting in a private school in Windsor, Nova Scotia, signaling the beginning of wave 1 of a pandemic. By June, the World Health Organization raised the alert level to 6. Wave 2 was expected in 4 to 6 months.