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Canada Issues Alert on Severe Respiratory Disease in Mexico
The Public Health Agency of Canada has told quarantine services to be on alert for travellers returning from Mexico after a number of severe respiratory illnesses (SRI) were reported in some regions of the country.PHAC, in an April 20 report, said Mexican officials informed the Canadian health agency that the "case-fatality rate was relatively high" and that most cases involved healthy adults between the ages of 25 and 44. A number of health-care workers were also affected. Although no cause has been confirmed, some samples were positive for influenza A and B... The above comments on an alert issued by Canada offer some insight into the situation in Mexico. The reports out of Mexico are decidedly mixed. Some reports describe an increase in influenza cases which is attributed to a late spike in influenza B, which when combined with influenza A, gives an abnormally high number of cases this late in the season. Other reports discuss revaccinating at risk groups with the current trivalent vaccine. Posted by: Anonymoose 2009-04-23 |
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