Avian flu typically spreads between wild and domestic birds but can spread to other animals and people. There have now been more than 40 confirmed human cases in the United States, according to the Centre for Disease Control,

Canada’s Public Health Agency has confirmed that a British Columbia teenager hospitalized last Friday is the country’s first ever human case of domestically acquired avian flu. The

British Columbia's Ministry of Health says the first suspected human case of bird flu contracted in Canada has been detected in B.C.