The number of influenza cases in Saskatchewan for the 2018-19 season to date is more than twice as high as previous year.
The Saskatchewan Health Ministry of the People's Health branch said the highest number was due to start early to a flu vaccine.
He said that it is uncommon for the season to start at different times in different years.
"Flu activity may increase at any time in the disaster and usually increase after six or eight weeks," said his / her. ministry in response to e-mail to questions.
"The crops have now been achieved and we do not expect the number of cases (1,571 on December 22) to expand considerably further."
In the flu season from 2016-17, there were 380 cases before 31 December. There were only 31 cases in the period 2015-16, ending in mid-January.
His ministry said that more than 280,000 diarrhea doses were administered before December 15, 2018 – eight per cent higher than that; previous year.
He said that every public fall in public awareness campaign stimulates influenza immunizations.