Alberta and New Brunswick were among five provinces to confirm new H1N1 flu infections on Friday, the same day that the total number of Canadian cases jumped to 51.
Four new confirmed cases of the H1N1 flu in the Toronto area have pushed the total number of infections in Canada to 51.
This is in addition to 13 other new cases reported across Canada on Friday.
Alberta's chief medical health officer confirmed the presence of two more H1N1 cases in Calgary, where two additional women are sick with the virus, previously known as swine flu.
Dr. Andre Corriveau said one of the women had recently travelled to Mexico, the other to Tennessee.
Earlier on Friday, New Brunswick's chief medical officer, Dr. Eilish Cleary, confirmed that a woman in her 20s had a mild case of the virus, previously known as swine flu.
"In terms of severity of illness, she did not need to be hospitalized," Cleary told reporters. "We have no reason to believe that our case is putting anyone at risk based on what we know about the duration of symptoms."
Cleary added that the case is "not any worse and maybe even better then the regular flu we see."
It marks the first confirmed case in the province.
By early Friday afternoon, B.C. had reported an additional four cases of the flu and Nova Scotia reported another six.
B.C. Premier Gordon Campbell said all 15 people with H1N1 in his province were either recovering, or already recovered, from the flu.
But he said he expects the number of B.C. cases to rise, some of which may turn out to be fatal.
All of Canadians who have fallen ill from H1N1 so far have suffered only mild symptoms, and none have died as a result of the flu.
On Friday, Prime Minister Stephen Harper said he believes Canadians are concerned, but not panicked, about the spread of the H1N1 flu.
He told reporters in Edgeley, Sask., that Canadian health officials are working in a co-ordinated manner to keep track of the flu and deal with the outbreak.
The presence of H1N1 in Canada was officially confirmed last weekend.
Health Minister Leona Aglukkaq announced at a Friday afternoon news conference that the government would be placing ads in Saturday newspapers to raise public awareness of the flu.
With files from The Canadian Press
