Three Canadian provinces are recording more cases than usual of a potentially fatal bacterial infection, prompting Toronto to issue a warning for people travelling to or from Saudi Arabia, and compelling Manitoba and Quebec to change their vaccination policies.14 cases of invasive meningococcal disease, a rare infection that can lead to meningitis, blood infections and other severe complications. Toronto normally sees six cases of IMD per year.
It’s not clear what’s behind the increase in IMD in Ontario, Manitoba and Quebec. Most of the stricken patients weren’t linked to each other through known contacts, and the bacteria that made them sick were sometimes from different serogroups, meaning they couldn’t have come from a common source. reported in the United States, Britain and France in the spring, all of which were linked to Umrah, an Islamic pilgrimage to Mecca that can take place any time of year.Five colonies of Group-B Neisseria meningitidis bacteria. as seen under a microscope.patients had not travelled to Saudi Arabia or been in contact with anyone who had travelled. That’s not a total surprise, Dr.
All were serogroup B, but the patients didn’t know each other or share any contacts. The type of bacteria that caused the first two cases, which were discovered close to one another in time, weren’t genetically similar either, Dr. Oglaza said.
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