Dr. Christopher Olsen, a swine flu expert at the University of Wisconsin-Madison, said having this H1N1 influenza A virus go back into swine creates opportunities for it to pick up genetic mutations or swap genes with other flu viruses. Canadaâ??s swine flu caseload swelled Sunday to 101 after health officials in British Columbia, Alberta, Manitoba Quebec, Ontario and Nova Scotia reported new confirmed cases. Worldwide the WHO confirmed 787 cases in 17 countries.
Office of Strategic Communication