China News Service, May 11. According to comprehensive Canadian media reports, from October 1, 2021 to April 30, 2022, seven cases of severe acute hepatitis of unknown cause were found in a children's hospital in Toronto, Canada.
The Public Health Agency of Canada said on May 10 local time that it is aware of the situation and is monitoring the situation.
The total number of cases in Canada is not yet known.
The World Health Organization said that as of May 1, 20 countries had reported to it at least 228 cases of childhood hepatitis of unknown etiology.
Currently, WHO is still investigating the exact cause of acute hepatitis in children.